Finding the Fourth Proportional to 381,060.08, 571,591.12 and 128,517.97
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Solution
The fourth proportional to 381,060.08, 571,591.12 and 128,517.97 is: 192,777.28
Step by Step Solution
- Step 1: Write the proportion equation
381,060.08 : 571,591.12 = 128,517.97 : x - Step 2: Convert to fraction form
381,060.08/571,591.12 = 128,517.97/x - Step 3: Cross multiply
381,060.08x = 571,591.12 × 128,517.97 - Step 4: Simplify right side
381,060.08x = 73,459,727,554.47 - Step 5: Solve for x
x = 73,459,727,554.47/381,060.08 - Step 6: Final answer
x = 192,777.28
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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.