Finding the Fourth Proportional to 425,414.68, 638,124.18 and 109,849.84
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Solution
The fourth proportional to 425,414.68, 638,124.18 and 109,849.84 is: 164,775.32
Step by Step Solution
- Step 1: Write the proportion equation
425,414.68 : 638,124.18 = 109,849.84 : x - Step 2: Convert to fraction form
425,414.68/638,124.18 = 109,849.84/x - Step 3: Cross multiply
425,414.68x = 638,124.18 × 109,849.84 - Step 4: Simplify right side
425,414.68x = 70,097,839,073.13 - Step 5: Solve for x
x = 70,097,839,073.13/425,414.68 - Step 6: Final answer
x = 164,775.32
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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.