Home / 218,074.77-327,149.01-68,285.52

Finding the Fourth Proportional to 218,074.77, 327,149.01 and 68,285.52

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Solution

The fourth proportional to 218,074.77, 327,149.01 and 68,285.52 is: 102,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,074.77 : 327,149.01 = 68,285.52 : x
  2. Step 2: Convert to fraction form
    218,074.77/327,149.01 = 68,285.52/x
  3. Step 3: Cross multiply
    218,074.77x = 327,149.01 × 68,285.52
  4. Step 4: Simplify right side
    218,074.77x = 22,339,540,265.34
  5. Step 5: Solve for x
    x = 22,339,540,265.34/218,074.77
  6. Step 6: Final answer
    x = 102,439.82

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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.