Home / 234,113.20-351,214.09-74,229.41

Finding the Fourth Proportional to 234,113.20, 351,214.09 and 74,229.41

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Solution

The fourth proportional to 234,113.20, 351,214.09 and 74,229.41 is: 111,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,113.20 : 351,214.09 = 74,229.41 : x
  2. Step 2: Convert to fraction form
    234,113.20/351,214.09 = 74,229.41/x
  3. Step 3: Cross multiply
    234,113.20x = 351,214.09 × 74,229.41
  4. Step 4: Simplify right side
    234,113.20x = 26,070,412,742.74
  5. Step 5: Solve for x
    x = 26,070,412,742.74/234,113.20
  6. Step 6: Final answer
    x = 111,358.15

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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.