Finding the Fourth Proportional to 138,375.04, 207,591.72 and 44,873.52
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Solution
The fourth proportional to 138,375.04, 207,591.72 and 44,873.52 is: 67,319.74
Step by Step Solution
- Step 1: Write the proportion equation
138,375.04 : 207,591.72 = 44,873.52 : x - Step 2: Convert to fraction form
138,375.04/207,591.72 = 44,873.52/x - Step 3: Cross multiply
138,375.04x = 207,591.72 × 44,873.52 - Step 4: Simplify right side
138,375.04x = 9,315,371,199.25 - Step 5: Solve for x
x = 9,315,371,199.25/138,375.04 - Step 6: Final answer
x = 67,319.74
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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.