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5. Solve for the variable in the following proportion: 210/n = 300/440

User Rcorrie
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1 Answer

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The proportion reads:

210/n = 300/440

we need to solve for "n"which is in the denominator, so we first "cross multiply"as shown below:

210 * 440 = 300 * n

operate on the left:

92400 = 300 * n

and now divide both sides by 300 in order to isolate "n"

92400/300 = n

therefore n = 308

User Phobie
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