Home / 408,022.26-612,131.76-141,744.06

Finding the Fourth Proportional to 408,022.26, 612,131.76 and 141,744.06

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Solution

The fourth proportional to 408,022.26, 612,131.76 and 141,744.06 is: 212,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,022.26 : 612,131.76 = 141,744.06 : x
  2. Step 2: Convert to fraction form
    408,022.26/612,131.76 = 141,744.06/x
  3. Step 3: Cross multiply
    408,022.26x = 612,131.76 × 141,744.06
  4. Step 4: Simplify right side
    408,022.26x = 86,766,040,917.35
  5. Step 5: Solve for x
    x = 86,766,040,917.35/408,022.26
  6. Step 6: Final answer
    x = 212,650.26

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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.