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Finding the Fourth Proportional to 396,245.75, 594,366.57 and 96,727.91

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Solution

The fourth proportional to 396,245.75, 594,366.57 and 96,727.91 is: 145,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,245.75 : 594,366.57 = 96,727.91 : x
  2. Step 2: Convert to fraction form
    396,245.75/594,366.57 = 96,727.91/x
  3. Step 3: Cross multiply
    396,245.75x = 594,366.57 × 96,727.91
  4. Step 4: Simplify right side
    396,245.75x = 57,491,833,118.14
  5. Step 5: Solve for x
    x = 57,491,833,118.14/396,245.75
  6. Step 6: Final answer
    x = 145,091.36

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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.