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Finding the Fourth Proportional to 444,887.72, 667,331.58 and 112,463.72

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Solution

The fourth proportional to 444,887.72, 667,331.58 and 112,463.72 is: 168,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,887.72 : 667,331.58 = 112,463.72 : x
  2. Step 2: Convert to fraction form
    444,887.72/667,331.58 = 112,463.72/x
  3. Step 3: Cross multiply
    444,887.72x = 667,331.58 × 112,463.72
  4. Step 4: Simplify right side
    444,887.72x = 75,050,591,960.28
  5. Step 5: Solve for x
    x = 75,050,591,960.28/444,887.72
  6. Step 6: Final answer
    x = 168,695.58

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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.