Home / 396,861.46-547,458.87-251,410.66

Finding the Fourth Proportional to 396,861.46, 547,458.87 and 251,410.66

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Solution

The fourth proportional to 396,861.46, 547,458.87 and 251,410.66 is: 346,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,861.46 : 547,458.87 = 251,410.66 : x
  2. Step 2: Convert to fraction form
    396,861.46/547,458.87 = 251,410.66/x
  3. Step 3: Cross multiply
    396,861.46x = 547,458.87 × 251,410.66
  4. Step 4: Simplify right side
    396,861.46x = 137,636,995,829.55
  5. Step 5: Solve for x
    x = 137,636,995,829.55/396,861.46
  6. Step 6: Final answer
    x = 346,813.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.