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Finding the Fourth Proportional to 226,955.72, 313,151.42 and 131,456.72

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Solution

The fourth proportional to 226,955.72, 313,151.42 and 131,456.72 is: 181,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,955.72 : 313,151.42 = 131,456.72 : x
  2. Step 2: Convert to fraction form
    226,955.72/313,151.42 = 131,456.72/x
  3. Step 3: Cross multiply
    226,955.72x = 313,151.42 × 131,456.72
  4. Step 4: Simplify right side
    226,955.72x = 41,165,858,536.54
  5. Step 5: Solve for x
    x = 41,165,858,536.54/226,955.72
  6. Step 6: Final answer
    x = 181,382.78

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1.5x scale

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.