Finding the Fourth Proportional to 381,299.28, 571,952.97 and 115,062.14
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Solution
The fourth proportional to 381,299.28, 571,952.97 and 115,062.14 is: 172,594.42
Step by Step Solution
- Step 1: Write the proportion equation
381,299.28 : 571,952.97 = 115,062.14 : x - Step 2: Convert to fraction form
381,299.28/571,952.97 = 115,062.14/x - Step 3: Cross multiply
381,299.28x = 571,952.97 × 115,062.14 - Step 4: Simplify right side
381,299.28x = 65,810,129,847.79 - Step 5: Solve for x
x = 65,810,129,847.79/381,299.28 - Step 6: Final answer
x = 172,594.42
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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.