Home / 230,067.44-345,184.20-80,329.78

Finding the Fourth Proportional to 230,067.44, 345,184.20 and 80,329.78

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Solution

The fourth proportional to 230,067.44, 345,184.20 and 80,329.78 is: 120,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,067.44 : 345,184.20 = 80,329.78 : x
  2. Step 2: Convert to fraction form
    230,067.44/345,184.20 = 80,329.78/x
  3. Step 3: Cross multiply
    230,067.44x = 345,184.20 × 80,329.78
  4. Step 4: Simplify right side
    230,067.44x = 27,728,570,845.48
  5. Step 5: Solve for x
    x = 27,728,570,845.48/230,067.44
  6. Step 6: Final answer
    x = 120,523.66

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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.