Finding the Fourth Proportional to 457,631.92, 686,546.98 and 187,760.68
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Solution
The fourth proportional to 457,631.92, 686,546.98 and 187,760.68 is: 281,681.68
Step by Step Solution
- Step 1: Write the proportion equation
457,631.92 : 686,546.98 = 187,760.68 : x - Step 2: Convert to fraction form
457,631.92/686,546.98 = 187,760.68/x - Step 3: Cross multiply
457,631.92x = 686,546.98 × 187,760.68 - Step 4: Simplify right side
457,631.92x = 128,906,527,816.75 - Step 5: Solve for x
x = 128,906,527,816.75/457,631.92 - Step 6: Final answer
x = 281,681.68
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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.