Home / 396,040.32-594,257.28-185,694.72

Finding the Fourth Proportional to 396,040.32, 594,257.28 and 185,694.72

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Solution

The fourth proportional to 396,040.32, 594,257.28 and 185,694.72 is: 278,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,040.32 : 594,257.28 = 185,694.72 : x
  2. Step 2: Convert to fraction form
    396,040.32/594,257.28 = 185,694.72/x
  3. Step 3: Cross multiply
    396,040.32x = 594,257.28 × 185,694.72
  4. Step 4: Simplify right side
    396,040.32x = 110,350,439,217.56
  5. Step 5: Solve for x
    x = 110,350,439,217.56/396,040.32
  6. Step 6: Final answer
    x = 278,634.36

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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.