Home / 439,727.70-659,591.55-140,205.90

Finding the Fourth Proportional to 439,727.70, 659,591.55 and 140,205.90

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Solution

The fourth proportional to 439,727.70, 659,591.55 and 140,205.90 is: 210,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,727.70 : 659,591.55 = 140,205.90 : x
  2. Step 2: Convert to fraction form
    439,727.70/659,591.55 = 140,205.90/x
  3. Step 3: Cross multiply
    439,727.70x = 659,591.55 × 140,205.90
  4. Step 4: Simplify right side
    439,727.70x = 92,478,626,900.15
  5. Step 5: Solve for x
    x = 92,478,626,900.15/439,727.70
  6. Step 6: Final answer
    x = 210,308.85

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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.