Finding the Fourth Proportional to 288,593.62, 398,253.32 and 159,537.53
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Solution
The fourth proportional to 288,593.62, 398,253.32 and 159,537.53 is: 220,158.55
Step by Step Solution
- Step 1: Write the proportion equation
288,593.62 : 398,253.32 = 159,537.53 : x - Step 2: Convert to fraction form
288,593.62/398,253.32 = 159,537.53/x - Step 3: Cross multiply
288,593.62x = 398,253.32 × 159,537.53 - Step 4: Simplify right side
288,593.62x = 63,536,351,185.05 - Step 5: Solve for x
x = 63,536,351,185.05/288,593.62 - Step 6: Final answer
x = 220,158.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.