Home / 396,665.28-594,920.16-147,297.60

Finding the Fourth Proportional to 396,665.28, 594,920.16 and 147,297.60

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Solution

The fourth proportional to 396,665.28, 594,920.16 and 147,297.60 is: 220,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,665.28 : 594,920.16 = 147,297.60 : x
  2. Step 2: Convert to fraction form
    396,665.28/594,920.16 = 147,297.60/x
  3. Step 3: Cross multiply
    396,665.28x = 594,920.16 × 147,297.60
  4. Step 4: Simplify right side
    396,665.28x = 87,630,311,759.62
  5. Step 5: Solve for x
    x = 87,630,311,759.62/396,665.28
  6. Step 6: Final answer
    x = 220,917.52

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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.