Finding the Fourth Proportional to 204,528.05, 306,689.40 and 119,166.53
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Solution
The fourth proportional to 204,528.05, 306,689.40 and 119,166.53 is: 178,689.98
Step by Step Solution
- Step 1: Write the proportion equation
204,528.05 : 306,689.40 = 119,166.53 : x - Step 2: Convert to fraction form
204,528.05/306,689.40 = 119,166.53/x - Step 3: Cross multiply
204,528.05x = 306,689.40 × 119,166.53 - Step 4: Simplify right side
204,528.05x = 36,547,112,352.51 - Step 5: Solve for x
x = 36,547,112,352.51/204,528.05 - Step 6: Final answer
x = 178,689.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.