Finding the Fourth Proportional to 204,510.87, 306,781.68 and 54,747.84
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Solution
The fourth proportional to 204,510.87, 306,781.68 and 54,747.84 is: 82,125.88
Step by Step Solution
- Step 1: Write the proportion equation
204,510.87 : 306,781.68 = 54,747.84 : x - Step 2: Convert to fraction form
204,510.87/306,781.68 = 54,747.84/x - Step 3: Cross multiply
204,510.87x = 306,781.68 × 54,747.84 - Step 4: Simplify right side
204,510.87x = 16,795,635,687.31 - Step 5: Solve for x
x = 16,795,635,687.31/204,510.87 - Step 6: Final answer
x = 82,125.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.