Home / 442,944.03-664,512.94-143,454.88

Finding the Fourth Proportional to 442,944.03, 664,512.94 and 143,454.88

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Solution

The fourth proportional to 442,944.03, 664,512.94 and 143,454.88 is: 215,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,944.03 : 664,512.94 = 143,454.88 : x
  2. Step 2: Convert to fraction form
    442,944.03/664,512.94 = 143,454.88/x
  3. Step 3: Cross multiply
    442,944.03x = 664,512.94 × 143,454.88
  4. Step 4: Simplify right side
    442,944.03x = 95,327,622,817.04
  5. Step 5: Solve for x
    x = 95,327,622,817.04/442,944.03
  6. Step 6: Final answer
    x = 215,213.70

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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.