Finding the Fourth Proportional to 170,872.10, 256,306.80 and 44,512.10
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Solution
The fourth proportional to 170,872.10, 256,306.80 and 44,512.10 is: 66,767.80
Step by Step Solution
- Step 1: Write the proportion equation
170,872.10 : 256,306.80 = 44,512.10 : x - Step 2: Convert to fraction form
170,872.10/256,306.80 = 44,512.10/x - Step 3: Cross multiply
170,872.10x = 256,306.80 × 44,512.10 - Step 4: Simplify right side
170,872.10x = 11,408,753,912.28 - Step 5: Solve for x
x = 11,408,753,912.28/170,872.10 - Step 6: Final answer
x = 66,767.80
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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.