Home / 439,988.25-659,993.77-140,468.58

Finding the Fourth Proportional to 439,988.25, 659,993.77 and 140,468.58

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Solution

The fourth proportional to 439,988.25, 659,993.77 and 140,468.58 is: 210,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,988.25 : 659,993.77 = 140,468.58 : x
  2. Step 2: Convert to fraction form
    439,988.25/659,993.77 = 140,468.58/x
  3. Step 3: Cross multiply
    439,988.25x = 659,993.77 × 140,468.58
  4. Step 4: Simplify right side
    439,988.25x = 92,708,387,856.33
  5. Step 5: Solve for x
    x = 92,708,387,856.33/439,988.25
  6. Step 6: Final answer
    x = 210,706.51

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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.