Finding the Fourth Proportional to 89,414.08, 134,121.92 and 30,250.08
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Solution
The fourth proportional to 89,414.08, 134,121.92 and 30,250.08 is: 45,375.39
Step by Step Solution
- Step 1: Write the proportion equation
89,414.08 : 134,121.92 = 30,250.08 : x - Step 2: Convert to fraction form
89,414.08/134,121.92 = 30,250.08/x - Step 3: Cross multiply
89,414.08x = 134,121.92 × 30,250.08 - Step 4: Simplify right side
89,414.08x = 4,057,198,809.75 - Step 5: Solve for x
x = 4,057,198,809.75/89,414.08 - Step 6: Final answer
x = 45,375.39
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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.