Finding the Fourth Proportional to 391,027.68, 586,551.70 and 124,787.84
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Solution
The fourth proportional to 391,027.68, 586,551.70 and 124,787.84 is: 187,185.01
Step by Step Solution
- Step 1: Write the proportion equation
391,027.68 : 586,551.70 = 124,787.84 : x - Step 2: Convert to fraction form
391,027.68/586,551.70 = 124,787.84/x - Step 3: Cross multiply
391,027.68x = 586,551.70 × 124,787.84 - Step 4: Simplify right side
391,027.68x = 73,194,519,691.33 - Step 5: Solve for x
x = 73,194,519,691.33/391,027.68 - Step 6: Final answer
x = 187,185.01
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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.