Home / 214,579.29-321,890.18-74,336.97

Finding the Fourth Proportional to 214,579.29, 321,890.18 and 74,336.97

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Solution

The fourth proportional to 214,579.29, 321,890.18 and 74,336.97 is: 111,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,579.29 : 321,890.18 = 74,336.97 : x
  2. Step 2: Convert to fraction form
    214,579.29/321,890.18 = 74,336.97/x
  3. Step 3: Cross multiply
    214,579.29x = 321,890.18 × 74,336.97
  4. Step 4: Simplify right side
    214,579.29x = 23,928,340,282.27
  5. Step 5: Solve for x
    x = 23,928,340,282.27/214,579.29
  6. Step 6: Final answer
    x = 111,512.81

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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.