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Finding the Fourth Proportional to 206,397.45, 284,859.61 and 125,871.69

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Solution

The fourth proportional to 206,397.45, 284,859.61 and 125,871.69 is: 173,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,397.45 : 284,859.61 = 125,871.69 : x
  2. Step 2: Convert to fraction form
    206,397.45/284,859.61 = 125,871.69/x
  3. Step 3: Cross multiply
    206,397.45x = 284,859.61 × 125,871.69
  4. Step 4: Simplify right side
    206,397.45x = 35,855,760,523.44
  5. Step 5: Solve for x
    x = 35,855,760,523.44/206,397.45
  6. Step 6: Final answer
    x = 173,721.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.