Home / 439,794.20-659,691.30-140,296.70

Finding the Fourth Proportional to 439,794.20, 659,691.30 and 140,296.70

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Solution

The fourth proportional to 439,794.20, 659,691.30 and 140,296.70 is: 210,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,794.20 : 659,691.30 = 140,296.70 : x
  2. Step 2: Convert to fraction form
    439,794.20/659,691.30 = 140,296.70/x
  3. Step 3: Cross multiply
    439,794.20x = 659,691.30 × 140,296.70
  4. Step 4: Simplify right side
    439,794.20x = 92,552,512,408.71
  5. Step 5: Solve for x
    x = 92,552,512,408.71/439,794.20
  6. Step 6: Final answer
    x = 210,445.05

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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.