Finding the Fourth Proportional to 457,872.66, 686,800.80 and 187,942.19
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Solution
The fourth proportional to 457,872.66, 686,800.80 and 187,942.19 is: 281,909.92
Step by Step Solution
- Step 1: Write the proportion equation
457,872.66 : 686,800.80 = 187,942.19 : x - Step 2: Convert to fraction form
457,872.66/686,800.80 = 187,942.19/x - Step 3: Cross multiply
457,872.66x = 686,800.80 × 187,942.19 - Step 4: Simplify right side
457,872.66x = 129,078,843,011.75 - Step 5: Solve for x
x = 129,078,843,011.75/457,872.66 - Step 6: Final answer
x = 281,909.92
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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.