Home / 216,077.28-324,115.92-58,305.72

Finding the Fourth Proportional to 216,077.28, 324,115.92 and 58,305.72

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Solution

The fourth proportional to 216,077.28, 324,115.92 and 58,305.72 is: 87,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,077.28 : 324,115.92 = 58,305.72 : x
  2. Step 2: Convert to fraction form
    216,077.28/324,115.92 = 58,305.72/x
  3. Step 3: Cross multiply
    216,077.28x = 324,115.92 × 58,305.72
  4. Step 4: Simplify right side
    216,077.28x = 18,897,812,079.06
  5. Step 5: Solve for x
    x = 18,897,812,079.06/216,077.28
  6. Step 6: Final answer
    x = 87,458.58

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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.