Home / 230,218.20-345,344.31-80,441.10

Finding the Fourth Proportional to 230,218.20, 345,344.31 and 80,441.10

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Solution

The fourth proportional to 230,218.20, 345,344.31 and 80,441.10 is: 120,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,218.20 : 345,344.31 = 80,441.10 : x
  2. Step 2: Convert to fraction form
    230,218.20/345,344.31 = 80,441.10/x
  3. Step 3: Cross multiply
    230,218.20x = 345,344.31 × 80,441.10
  4. Step 4: Simplify right side
    230,218.20x = 27,779,876,175.14
  5. Step 5: Solve for x
    x = 27,779,876,175.14/230,218.20
  6. Step 6: Final answer
    x = 120,667.59

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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.