Finding the Fourth Proportional to 219,122.11, 328,787.25 and 151,757.81
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Solution
The fourth proportional to 219,122.11, 328,787.25 and 151,757.81 is: 227,708.80
Step by Step Solution
- Step 1: Write the proportion equation
219,122.11 : 328,787.25 = 151,757.81 : x - Step 2: Convert to fraction form
219,122.11/328,787.25 = 151,757.81/x - Step 3: Cross multiply
219,122.11x = 328,787.25 × 151,757.81 - Step 4: Simplify right side
219,122.11x = 49,896,031,371.99 - Step 5: Solve for x
x = 49,896,031,371.99/219,122.11 - Step 6: Final answer
x = 227,708.80
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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.