Finding the Fourth Proportional to 372,909.20, 559,444.82 and 136,251.52
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Solution
The fourth proportional to 372,909.20, 559,444.82 and 136,251.52 is: 204,406.88
Step by Step Solution
- Step 1: Write the proportion equation
372,909.20 : 559,444.82 = 136,251.52 : x - Step 2: Convert to fraction form
372,909.20/559,444.82 = 136,251.52/x - Step 3: Cross multiply
372,909.20x = 559,444.82 × 136,251.52 - Step 4: Simplify right side
372,909.20x = 76,225,207,081.13 - Step 5: Solve for x
x = 76,225,207,081.13/372,909.20 - Step 6: Final answer
x = 204,406.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.