Home / 269,440.20-404,160.30-92,147.40

Finding the Fourth Proportional to 269,440.20, 404,160.30 and 92,147.40

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Solution

The fourth proportional to 269,440.20, 404,160.30 and 92,147.40 is: 138,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,440.20 : 404,160.30 = 92,147.40 : x
  2. Step 2: Convert to fraction form
    269,440.20/404,160.30 = 92,147.40/x
  3. Step 3: Cross multiply
    269,440.20x = 404,160.30 × 92,147.40
  4. Step 4: Simplify right side
    269,440.20x = 37,242,320,828.22
  5. Step 5: Solve for x
    x = 37,242,320,828.22/269,440.20
  6. Step 6: Final answer
    x = 138,221.10

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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.