Home / 418,824.05-628,227.97-119,306.57

Finding the Fourth Proportional to 418,824.05, 628,227.97 and 119,306.57

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Solution

The fourth proportional to 418,824.05, 628,227.97 and 119,306.57 is: 178,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,824.05 : 628,227.97 = 119,306.57 : x
  2. Step 2: Convert to fraction form
    418,824.05/628,227.97 = 119,306.57/x
  3. Step 3: Cross multiply
    418,824.05x = 628,227.97 × 119,306.57
  4. Step 4: Simplify right side
    418,824.05x = 74,951,720,839.36
  5. Step 5: Solve for x
    x = 74,951,720,839.36/418,824.05
  6. Step 6: Final answer
    x = 178,957.54

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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.