Answer: 50:150:200
Explanation:
We can add up the ratios to find out what our ratio is for 400. Adding up all the ratios totals 8, and dividing 400 by 8 gives us 50, which means our ratio is 50:1.
To find the ratio for 3, we multiply the 50:1 ratio by 3, to get 150.
To find the ratio for 4, we multiply the 50:1 ratio by 4, to get 200.
Thus, our final answer is 50:150:200