Home / 231,383.68-346,772.16-131,589.76

Finding the Fourth Proportional to 231,383.68, 346,772.16 and 131,589.76

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Solution

The fourth proportional to 231,383.68, 346,772.16 and 131,589.76 is: 197,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,383.68 : 346,772.16 = 131,589.76 : x
  2. Step 2: Convert to fraction form
    231,383.68/346,772.16 = 131,589.76/x
  3. Step 3: Cross multiply
    231,383.68x = 346,772.16 × 131,589.76
  4. Step 4: Simplify right side
    231,383.68x = 45,631,665,309.08
  5. Step 5: Solve for x
    x = 45,631,665,309.08/231,383.68
  6. Step 6: Final answer
    x = 197,212.12

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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.