Home / 218,285.62-327,468.10-90,202.22

Finding the Fourth Proportional to 218,285.62, 327,468.10 and 90,202.22

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Solution

The fourth proportional to 218,285.62, 327,468.10 and 90,202.22 is: 135,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,285.62 : 327,468.10 = 90,202.22 : x
  2. Step 2: Convert to fraction form
    218,285.62/327,468.10 = 90,202.22/x
  3. Step 3: Cross multiply
    218,285.62x = 327,468.10 × 90,202.22
  4. Step 4: Simplify right side
    218,285.62x = 29,538,348,224.87
  5. Step 5: Solve for x
    x = 29,538,348,224.87/218,285.62
  6. Step 6: Final answer
    x = 135,319.71

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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.