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Finding the Fourth Proportional to 231,034, 318,827.88 and 125,050

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Solution

The fourth proportional to 231,034, 318,827.88 and 125,050 is: 172,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,034 : 318,827.88 = 125,050 : x
  2. Step 2: Convert to fraction form
    231,034/318,827.88 = 125,050/x
  3. Step 3: Cross multiply
    231,034x = 318,827.88 × 125,050
  4. Step 4: Simplify right side
    231,034x = 39,869,426,394
  5. Step 5: Solve for x
    x = 39,869,426,394/231,034
  6. Step 6: Final answer
    x = 172,569.52

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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.