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Finding the Fourth Proportional to 269,737.12, 404,406 and 129,362.08

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Solution

The fourth proportional to 269,737.12, 404,406 and 129,362.08 is: 193,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,737.12 : 404,406 = 129,362.08 : x
  2. Step 2: Convert to fraction form
    269,737.12/404,406 = 129,362.08/x
  3. Step 3: Cross multiply
    269,737.12x = 404,406 × 129,362.08
  4. Step 4: Simplify right side
    269,737.12x = 52,314,801,324.48
  5. Step 5: Solve for x
    x = 52,314,801,324.48/269,737.12
  6. Step 6: Final answer
    x = 193,947.36

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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.