Finding the Fourth Proportional to 381,107.20, 571,687.53 and 114,869.92
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Solution
The fourth proportional to 381,107.20, 571,687.53 and 114,869.92 is: 172,312.94
Step by Step Solution
- Step 1: Write the proportion equation
381,107.20 : 571,687.53 = 114,869.92 : x - Step 2: Convert to fraction form
381,107.20/571,687.53 = 114,869.92/x - Step 3: Cross multiply
381,107.20x = 571,687.53 × 114,869.92 - Step 4: Simplify right side
381,107.20x = 65,669,700,836.10 - Step 5: Solve for x
x = 65,669,700,836.10/381,107.20 - Step 6: Final answer
x = 172,312.94
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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.