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Finding the Fourth Proportional to 444,844.10, 667,266.15 and 255,887.30

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Solution

The fourth proportional to 444,844.10, 667,266.15 and 255,887.30 is: 383,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,844.10 : 667,266.15 = 255,887.30 : x
  2. Step 2: Convert to fraction form
    444,844.10/667,266.15 = 255,887.30/x
  3. Step 3: Cross multiply
    444,844.10x = 667,266.15 × 255,887.30
  4. Step 4: Simplify right side
    444,844.10x = 170,744,933,504.90
  5. Step 5: Solve for x
    x = 170,744,933,504.90/444,844.10
  6. Step 6: Final answer
    x = 383,830.95

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Similar ratio
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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.