Home / 216,508.75-324,680.09-74,327.52

Finding the Fourth Proportional to 216,508.75, 324,680.09 and 74,327.52

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Solution

The fourth proportional to 216,508.75, 324,680.09 and 74,327.52 is: 111,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,508.75 : 324,680.09 = 74,327.52 : x
  2. Step 2: Convert to fraction form
    216,508.75/324,680.09 = 74,327.52/x
  3. Step 3: Cross multiply
    216,508.75x = 324,680.09 × 74,327.52
  4. Step 4: Simplify right side
    216,508.75x = 24,132,665,883.08
  5. Step 5: Solve for x
    x = 24,132,665,883.08/216,508.75
  6. Step 6: Final answer
    x = 111,462.78

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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.