Home / 439,766.20-659,649.30-140,244.40

Finding the Fourth Proportional to 439,766.20, 659,649.30 and 140,244.40

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Solution

The fourth proportional to 439,766.20, 659,649.30 and 140,244.40 is: 210,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,766.20 : 659,649.30 = 140,244.40 : x
  2. Step 2: Convert to fraction form
    439,766.20/659,649.30 = 140,244.40/x
  3. Step 3: Cross multiply
    439,766.20x = 659,649.30 × 140,244.40
  4. Step 4: Simplify right side
    439,766.20x = 92,512,120,288.92
  5. Step 5: Solve for x
    x = 92,512,120,288.92/439,766.20
  6. Step 6: Final answer
    x = 210,366.60

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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.