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Finding the Fourth Proportional to 454,110, 626,691.24 and 252,906

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Solution

The fourth proportional to 454,110, 626,691.24 and 252,906 is: 349,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,110 : 626,691.24 = 252,906 : x
  2. Step 2: Convert to fraction form
    454,110/626,691.24 = 252,906/x
  3. Step 3: Cross multiply
    454,110x = 626,691.24 × 252,906
  4. Step 4: Simplify right side
    454,110x = 158,493,974,743.44
  5. Step 5: Solve for x
    x = 158,493,974,743.44/454,110
  6. Step 6: Final answer
    x = 349,021.11

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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.