Finding the Fourth Proportional to 381,634.37, 572,591.88 and 156,934.70
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Solution
The fourth proportional to 381,634.37, 572,591.88 and 156,934.70 is: 235,459.75
Step by Step Solution
- Step 1: Write the proportion equation
381,634.37 : 572,591.88 = 156,934.70 : x - Step 2: Convert to fraction form
381,634.37/572,591.88 = 156,934.70/x - Step 3: Cross multiply
381,634.37x = 572,591.88 × 156,934.70 - Step 4: Simplify right side
381,634.37x = 89,859,534,910.24 - Step 5: Solve for x
x = 89,859,534,910.24/381,634.37 - Step 6: Final answer
x = 235,459.75
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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.