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Finding the Fourth Proportional to 226,395.75, 339,605.25 and 57,917.54

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Solution

The fourth proportional to 226,395.75, 339,605.25 and 57,917.54 is: 86,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,395.75 : 339,605.25 = 57,917.54 : x
  2. Step 2: Convert to fraction form
    226,395.75/339,605.25 = 57,917.54/x
  3. Step 3: Cross multiply
    226,395.75x = 339,605.25 × 57,917.54
  4. Step 4: Simplify right side
    226,395.75x = 19,669,098,953.06
  5. Step 5: Solve for x
    x = 19,669,098,953.06/226,395.75
  6. Step 6: Final answer
    x = 86,879.28

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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.