Home / 396,753.07-595,152.10-126,904.91

Finding the Fourth Proportional to 396,753.07, 595,152.10 and 126,904.91

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Solution

The fourth proportional to 396,753.07, 595,152.10 and 126,904.91 is: 190,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,753.07 : 595,152.10 = 126,904.91 : x
  2. Step 2: Convert to fraction form
    396,753.07/595,152.10 = 126,904.91/x
  3. Step 3: Cross multiply
    396,753.07x = 595,152.10 × 126,904.91
  4. Step 4: Simplify right side
    396,753.07x = 75,527,723,503.57
  5. Step 5: Solve for x
    x = 75,527,723,503.57/396,753.07
  6. Step 6: Final answer
    x = 190,364.56

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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.