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Finding the Fourth Proportional to 269,908, 404,585.52 and 112,228

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Solution

The fourth proportional to 269,908, 404,585.52 and 112,228 is: 168,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,908 : 404,585.52 = 112,228 : x
  2. Step 2: Convert to fraction form
    269,908/404,585.52 = 112,228/x
  3. Step 3: Cross multiply
    269,908x = 404,585.52 × 112,228
  4. Step 4: Simplify right side
    269,908x = 45,405,823,738.56
  5. Step 5: Solve for x
    x = 45,405,823,738.56/269,908
  6. Step 6: Final answer
    x = 168,227.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.