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Finding the Fourth Proportional to 445,573.44, 668,358.72 and 113,149.44

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Solution

The fourth proportional to 445,573.44, 668,358.72 and 113,149.44 is: 169,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,573.44 : 668,358.72 = 113,149.44 : x
  2. Step 2: Convert to fraction form
    445,573.44/668,358.72 = 113,149.44/x
  3. Step 3: Cross multiply
    445,573.44x = 668,358.72 × 113,149.44
  4. Step 4: Simplify right side
    445,573.44x = 75,624,414,887.12
  5. Step 5: Solve for x
    x = 75,624,414,887.12/445,573.44
  6. Step 6: Final answer
    x = 169,723.79

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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.