Home / 440,451.55-660,720.93-140,856.85

Finding the Fourth Proportional to 440,451.55, 660,720.93 and 140,856.85

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Solution

The fourth proportional to 440,451.55, 660,720.93 and 140,856.85 is: 211,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,451.55 : 660,720.93 = 140,856.85 : x
  2. Step 2: Convert to fraction form
    440,451.55/660,720.93 = 140,856.85/x
  3. Step 3: Cross multiply
    440,451.55x = 660,720.93 × 140,856.85
  4. Step 4: Simplify right side
    440,451.55x = 93,067,068,928.87
  5. Step 5: Solve for x
    x = 93,067,068,928.87/440,451.55
  6. Step 6: Final answer
    x = 211,299.22

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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.