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Finding the Fourth Proportional to 269,497.88, 404,287.19 and 87,067.72

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Solution

The fourth proportional to 269,497.88, 404,287.19 and 87,067.72 is: 130,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,497.88 : 404,287.19 = 87,067.72 : x
  2. Step 2: Convert to fraction form
    269,497.88/404,287.19 = 87,067.72/x
  3. Step 3: Cross multiply
    269,497.88x = 404,287.19 × 87,067.72
  4. Step 4: Simplify right side
    269,497.88x = 35,200,364,255.03
  5. Step 5: Solve for x
    x = 35,200,364,255.03/269,497.88
  6. Step 6: Final answer
    x = 130,614.62

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1.5x scale

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.