Home / 230,198.40-345,317.85-70,310.43

Finding the Fourth Proportional to 230,198.40, 345,317.85 and 70,310.43

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Solution

The fourth proportional to 230,198.40, 345,317.85 and 70,310.43 is: 105,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,198.40 : 345,317.85 = 70,310.43 : x
  2. Step 2: Convert to fraction form
    230,198.40/345,317.85 = 70,310.43/x
  3. Step 3: Cross multiply
    230,198.40x = 345,317.85 × 70,310.43
  4. Step 4: Simplify right side
    230,198.40x = 24,279,446,520.18
  5. Step 5: Solve for x
    x = 24,279,446,520.18/230,198.40
  6. Step 6: Final answer
    x = 105,471.83

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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.