Home / 230,206.24-345,339.60-80,449.12

Finding the Fourth Proportional to 230,206.24, 345,339.60 and 80,449.12

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Solution

The fourth proportional to 230,206.24, 345,339.60 and 80,449.12 is: 120,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,206.24 : 345,339.60 = 80,449.12 : x
  2. Step 2: Convert to fraction form
    230,206.24/345,339.60 = 80,449.12/x
  3. Step 3: Cross multiply
    230,206.24x = 345,339.60 × 80,449.12
  4. Step 4: Simplify right side
    230,206.24x = 27,782,266,921.15
  5. Step 5: Solve for x
    x = 27,782,266,921.15/230,206.24
  6. Step 6: Final answer
    x = 120,684.25

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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.