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Finding the Fourth Proportional to 444,750.57, 667,232.10 and 145,231.74

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Solution

The fourth proportional to 444,750.57, 667,232.10 and 145,231.74 is: 217,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,750.57 : 667,232.10 = 145,231.74 : x
  2. Step 2: Convert to fraction form
    444,750.57/667,232.10 = 145,231.74/x
  3. Step 3: Cross multiply
    444,750.57x = 667,232.10 × 145,231.74
  4. Step 4: Simplify right side
    444,750.57x = 96,903,278,866.85
  5. Step 5: Solve for x
    x = 96,903,278,866.85/444,750.57
  6. Step 6: Final answer
    x = 217,882.30

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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.