Home / 439,726.20-659,589.30-140,204.40

Finding the Fourth Proportional to 439,726.20, 659,589.30 and 140,204.40

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Solution

The fourth proportional to 439,726.20, 659,589.30 and 140,204.40 is: 210,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,726.20 : 659,589.30 = 140,204.40 : x
  2. Step 2: Convert to fraction form
    439,726.20/659,589.30 = 140,204.40/x
  3. Step 3: Cross multiply
    439,726.20x = 659,589.30 × 140,204.40
  4. Step 4: Simplify right side
    439,726.20x = 92,477,322,052.92
  5. Step 5: Solve for x
    x = 92,477,322,052.92/439,726.20
  6. Step 6: Final answer
    x = 210,306.60

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1.5x scale

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.