Home / 412,285.76-568,944.42-231,005.33

Finding the Fourth Proportional to 412,285.76, 568,944.42 and 231,005.33

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Solution

The fourth proportional to 412,285.76, 568,944.42 and 231,005.33 is: 318,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,285.76 : 568,944.42 = 231,005.33 : x
  2. Step 2: Convert to fraction form
    412,285.76/568,944.42 = 231,005.33/x
  3. Step 3: Cross multiply
    412,285.76x = 568,944.42 × 231,005.33
  4. Step 4: Simplify right side
    412,285.76x = 131,429,190,649.04
  5. Step 5: Solve for x
    x = 131,429,190,649.04/412,285.76
  6. Step 6: Final answer
    x = 318,781.79

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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.