Finding the Fourth Proportional to 221,432.38, 332,201.30 and 71,672.70
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Solution
The fourth proportional to 221,432.38, 332,201.30 and 71,672.70 is: 107,526.12
Step by Step Solution
- Step 1: Write the proportion equation
221,432.38 : 332,201.30 = 71,672.70 : x - Step 2: Convert to fraction form
221,432.38/332,201.30 = 71,672.70/x - Step 3: Cross multiply
221,432.38x = 332,201.30 × 71,672.70 - Step 4: Simplify right side
221,432.38x = 23,809,764,114.51 - Step 5: Solve for x
x = 23,809,764,114.51/221,432.38 - Step 6: Final answer
x = 107,526.12
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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.