Home / 408,231.23-612,625.50-141,989.09

Finding the Fourth Proportional to 408,231.23, 612,625.50 and 141,989.09

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Solution

The fourth proportional to 408,231.23, 612,625.50 and 141,989.09 is: 213,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,231.23 : 612,625.50 = 141,989.09 : x
  2. Step 2: Convert to fraction form
    408,231.23/612,625.50 = 141,989.09/x
  3. Step 3: Cross multiply
    408,231.23x = 612,625.50 × 141,989.09
  4. Step 4: Simplify right side
    408,231.23x = 86,986,137,255.80
  5. Step 5: Solve for x
    x = 86,986,137,255.80/408,231.23
  6. Step 6: Final answer
    x = 213,080.56

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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.