Home / 216,073.28-324,109.92-58,301.74

Finding the Fourth Proportional to 216,073.28, 324,109.92 and 58,301.74

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Solution

The fourth proportional to 216,073.28, 324,109.92 and 58,301.74 is: 87,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,073.28 : 324,109.92 = 58,301.74 : x
  2. Step 2: Convert to fraction form
    216,073.28/324,109.92 = 58,301.74/x
  3. Step 3: Cross multiply
    216,073.28x = 324,109.92 × 58,301.74
  4. Step 4: Simplify right side
    216,073.28x = 18,896,172,287.26
  5. Step 5: Solve for x
    x = 18,896,172,287.26/216,073.28
  6. Step 6: Final answer
    x = 87,452.61

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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.