Finding the Fourth Proportional to 387,836.46, 581,610.72 and 135,052.08
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Solution
The fourth proportional to 387,836.46, 581,610.72 and 135,052.08 is: 202,527.99
Step by Step Solution
- Step 1: Write the proportion equation
387,836.46 : 581,610.72 = 135,052.08 : x - Step 2: Convert to fraction form
387,836.46/581,610.72 = 135,052.08/x - Step 3: Cross multiply
387,836.46x = 581,610.72 × 135,052.08 - Step 4: Simplify right side
387,836.46x = 78,547,737,486.30 - Step 5: Solve for x
x = 78,547,737,486.30/387,836.46 - Step 6: Final answer
x = 202,527.99
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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.