Finding the Fourth Proportional to 221,452.70, 332,135.85 and 71,656.70
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Solution
The fourth proportional to 221,452.70, 332,135.85 and 71,656.70 is: 107,471.07
Step by Step Solution
- Step 1: Write the proportion equation
221,452.70 : 332,135.85 = 71,656.70 : x - Step 2: Convert to fraction form
221,452.70/332,135.85 = 71,656.70/x - Step 3: Cross multiply
221,452.70x = 332,135.85 × 71,656.70 - Step 4: Simplify right side
221,452.70x = 23,799,758,962.70 - Step 5: Solve for x
x = 23,799,758,962.70/221,452.70 - Step 6: Final answer
x = 107,471.07
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1.5x scale
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.