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Finding the Fourth Proportional to 240,149.88, 360,183.96 and 80,207.68

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Solution

The fourth proportional to 240,149.88, 360,183.96 and 80,207.68 is: 120,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,149.88 : 360,183.96 = 80,207.68 : x
  2. Step 2: Convert to fraction form
    240,149.88/360,183.96 = 80,207.68/x
  3. Step 3: Cross multiply
    240,149.88x = 360,183.96 × 80,207.68
  4. Step 4: Simplify right side
    240,149.88x = 28,889,519,804.81
  5. Step 5: Solve for x
    x = 28,889,519,804.81/240,149.88
  6. Step 6: Final answer
    x = 120,297.87

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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.