Home / 231,436.20-346,781.70-131,298.60

Finding the Fourth Proportional to 231,436.20, 346,781.70 and 131,298.60

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Solution

The fourth proportional to 231,436.20, 346,781.70 and 131,298.60 is: 196,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,436.20 : 346,781.70 = 131,298.60 : x
  2. Step 2: Convert to fraction form
    231,436.20/346,781.70 = 131,298.60/x
  3. Step 3: Cross multiply
    231,436.20x = 346,781.70 × 131,298.60
  4. Step 4: Simplify right side
    231,436.20x = 45,531,951,715.62
  5. Step 5: Solve for x
    x = 45,531,951,715.62/231,436.20
  6. Step 6: Final answer
    x = 196,736.52

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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.