Finding the Fourth Proportional to 457,623.92, 686,534.97 and 187,752.67
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Solution
The fourth proportional to 457,623.92, 686,534.97 and 187,752.67 is: 281,669.66
Step by Step Solution
- Step 1: Write the proportion equation
457,623.92 : 686,534.97 = 187,752.67 : x - Step 2: Convert to fraction form
457,623.92/686,534.97 = 187,752.67/x - Step 3: Cross multiply
457,623.92x = 686,534.97 × 187,752.67 - Step 4: Simplify right side
457,623.92x = 128,898,773,665.87 - Step 5: Solve for x
x = 128,898,773,665.87/457,623.92 - Step 6: Final answer
x = 281,669.66
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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.