Finding the Fourth Proportional to 288,391.68, 432,553.44 and 88,711.68
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Solution
The fourth proportional to 288,391.68, 432,553.44 and 88,711.68 is: 133,057.04
Step by Step Solution
- Step 1: Write the proportion equation
288,391.68 : 432,553.44 = 88,711.68 : x - Step 2: Convert to fraction form
288,391.68/432,553.44 = 88,711.68/x - Step 3: Cross multiply
288,391.68x = 432,553.44 × 88,711.68 - Step 4: Simplify right side
288,391.68x = 38,372,542,352.18 - Step 5: Solve for x
x = 38,372,542,352.18/288,391.68 - Step 6: Final answer
x = 133,057.04
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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.