Home / 246,245.73-339,819.11-138,815.77

Finding the Fourth Proportional to 246,245.73, 339,819.11 and 138,815.77

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Solution

The fourth proportional to 246,245.73, 339,819.11 and 138,815.77 is: 191,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,245.73 : 339,819.11 = 138,815.77 : x
  2. Step 2: Convert to fraction form
    246,245.73/339,819.11 = 138,815.77/x
  3. Step 3: Cross multiply
    246,245.73x = 339,819.11 × 138,815.77
  4. Step 4: Simplify right side
    246,245.73x = 47,172,250,997.15
  5. Step 5: Solve for x
    x = 47,172,250,997.15/246,245.73
  6. Step 6: Final answer
    x = 191,565.76

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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.