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Finding the Fourth Proportional to 227,691.74, 314,198.37 and 125,700.72

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Solution

The fourth proportional to 227,691.74, 314,198.37 and 125,700.72 is: 173,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,691.74 : 314,198.37 = 125,700.72 : x
  2. Step 2: Convert to fraction form
    227,691.74/314,198.37 = 125,700.72/x
  3. Step 3: Cross multiply
    227,691.74x = 314,198.37 × 125,700.72
  4. Step 4: Simplify right side
    227,691.74x = 39,494,961,331.83
  5. Step 5: Solve for x
    x = 39,494,961,331.83/227,691.74
  6. Step 6: Final answer
    x = 173,458.04

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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.