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Finding the Fourth Proportional to 227,243.52, 313,595.94 and 125,270.64

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Solution

The fourth proportional to 227,243.52, 313,595.94 and 125,270.64 is: 172,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,243.52 : 313,595.94 = 125,270.64 : x
  2. Step 2: Convert to fraction form
    227,243.52/313,595.94 = 125,270.64/x
  3. Step 3: Cross multiply
    227,243.52x = 313,595.94 × 125,270.64
  4. Step 4: Simplify right side
    227,243.52x = 39,284,364,105.20
  5. Step 5: Solve for x
    x = 39,284,364,105.20/227,243.52
  6. Step 6: Final answer
    x = 172,873.42

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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.