Finding the Fourth Proportional to 582,101.12, 872,306.88 and 315,635.84
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Solution
The fourth proportional to 582,101.12, 872,306.88 and 315,635.84 is: 472,995.68
Step by Step Solution
- Step 1: Write the proportion equation
582,101.12 : 872,306.88 = 315,635.84 : x - Step 2: Convert to fraction form
582,101.12/872,306.88 = 315,635.84/x - Step 3: Cross multiply
582,101.12x = 872,306.88 × 315,635.84 - Step 4: Simplify right side
582,101.12x = 275,331,314,806.58 - Step 5: Solve for x
x = 275,331,314,806.58/582,101.12 - Step 6: Final answer
x = 472,995.68
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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.