Home / 230,340.43-345,559.85-80,585.60

Finding the Fourth Proportional to 230,340.43, 345,559.85 and 80,585.60

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Solution

The fourth proportional to 230,340.43, 345,559.85 and 80,585.60 is: 120,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,340.43 : 345,559.85 = 80,585.60 : x
  2. Step 2: Convert to fraction form
    230,340.43/345,559.85 = 80,585.60/x
  3. Step 3: Cross multiply
    230,340.43x = 345,559.85 × 80,585.60
  4. Step 4: Simplify right side
    230,340.43x = 27,847,147,848.16
  5. Step 5: Solve for x
    x = 27,847,147,848.16/230,340.43
  6. Step 6: Final answer
    x = 120,895.61

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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.