Finding the Fourth Proportional to 221,605.70, 332,311.35 and 88,441.70
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Solution
The fourth proportional to 221,605.70, 332,311.35 and 88,441.70 is: 132,623.76
Step by Step Solution
- Step 1: Write the proportion equation
221,605.70 : 332,311.35 = 88,441.70 : x - Step 2: Convert to fraction form
221,605.70/332,311.35 = 88,441.70/x - Step 3: Cross multiply
221,605.70x = 332,311.35 × 88,441.70 - Step 4: Simplify right side
221,605.70x = 29,390,180,723.30 - Step 5: Solve for x
x = 29,390,180,723.30/221,605.70 - Step 6: Final answer
x = 132,623.76
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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.