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Finding the Fourth Proportional to 269,896.72, 404,562.84 and 92,344.08

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Solution

The fourth proportional to 269,896.72, 404,562.84 and 92,344.08 is: 138,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,896.72 : 404,562.84 = 92,344.08 : x
  2. Step 2: Convert to fraction form
    269,896.72/404,562.84 = 92,344.08/x
  3. Step 3: Cross multiply
    269,896.72x = 404,562.84 × 92,344.08
  4. Step 4: Simplify right side
    269,896.72x = 37,358,983,261.99
  5. Step 5: Solve for x
    x = 37,358,983,261.99/269,896.72
  6. Step 6: Final answer
    x = 138,419.55

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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.