Finding the Fourth Proportional to 221,682.20, 332,523.30 and 133,035.80
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Solution
The fourth proportional to 221,682.20, 332,523.30 and 133,035.80 is: 199,553.70
Step by Step Solution
- Step 1: Write the proportion equation
221,682.20 : 332,523.30 = 133,035.80 : x - Step 2: Convert to fraction form
221,682.20/332,523.30 = 133,035.80/x - Step 3: Cross multiply
221,682.20x = 332,523.30 × 133,035.80 - Step 4: Simplify right side
221,682.20x = 44,237,503,234.14 - Step 5: Solve for x
x = 44,237,503,234.14/221,682.20 - Step 6: Final answer
x = 199,553.70
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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.