Home / 439,727.13-659,627.69-140,250.29

Finding the Fourth Proportional to 439,727.13, 659,627.69 and 140,250.29

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Solution

The fourth proportional to 439,727.13, 659,627.69 and 140,250.29 is: 210,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,727.13 : 659,627.69 = 140,250.29 : x
  2. Step 2: Convert to fraction form
    439,727.13/659,627.69 = 140,250.29/x
  3. Step 3: Cross multiply
    439,727.13x = 659,627.69 × 140,250.29
  4. Step 4: Simplify right side
    439,727.13x = 92,512,970,815.14
  5. Step 5: Solve for x
    x = 92,512,970,815.14/439,727.13
  6. Step 6: Final answer
    x = 210,387.23

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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.