Finding the Fourth Proportional to 221,432.19, 332,201.02 and 71,672.50
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Solution
The fourth proportional to 221,432.19, 332,201.02 and 71,672.50 is: 107,525.82
Step by Step Solution
- Step 1: Write the proportion equation
221,432.19 : 332,201.02 = 71,672.50 : x - Step 2: Convert to fraction form
221,432.19/332,201.02 = 71,672.50/x - Step 3: Cross multiply
221,432.19x = 332,201.02 × 71,672.50 - Step 4: Simplify right side
221,432.19x = 23,809,677,605.95 - Step 5: Solve for x
x = 23,809,677,605.95/221,432.19 - Step 6: Final answer
x = 107,525.82
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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.