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Finding the Fourth Proportional to 327,122.80, 490,183.46 and 220,110.44

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Solution

The fourth proportional to 327,122.80, 490,183.46 and 220,110.44 is: 329,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,122.80 : 490,183.46 = 220,110.44 : x
  2. Step 2: Convert to fraction form
    327,122.80/490,183.46 = 220,110.44/x
  3. Step 3: Cross multiply
    327,122.80x = 490,183.46 × 220,110.44
  4. Step 4: Simplify right side
    327,122.80x = 107,894,497,061.32
  5. Step 5: Solve for x
    x = 107,894,497,061.32/327,122.80
  6. Step 6: Final answer
    x = 329,828.73

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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.