Home / 226,458.97-312,517.26-124,488.72

Finding the Fourth Proportional to 226,458.97, 312,517.26 and 124,488.72

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Solution

The fourth proportional to 226,458.97, 312,517.26 and 124,488.72 is: 171,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,458.97 : 312,517.26 = 124,488.72 : x
  2. Step 2: Convert to fraction form
    226,458.97/312,517.26 = 124,488.72/x
  3. Step 3: Cross multiply
    226,458.97x = 312,517.26 × 124,488.72
  4. Step 4: Simplify right side
    226,458.97x = 38,904,873,052.86
  5. Step 5: Solve for x
    x = 38,904,873,052.86/226,458.97
  6. Step 6: Final answer
    x = 171,796.57

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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.