Answer:
The correct answer is option 4.
Explanation:
We are given with ratio =
.
On further educing the given ratio we get =

Now we will compare our ratio with given four option s:
1) 200 to 150


Not equivalent to given ratio.
2) 3 : 5


Not equivalent to given ratio.
3)5/4


Not equivalent to given ratio.
4) 45 to 60


Equivalent to given ratio.