Home / 260,921.38-391,493.49-111,232.17

Finding the Fourth Proportional to 260,921.38, 391,493.49 and 111,232.17

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Solution

The fourth proportional to 260,921.38, 391,493.49 and 111,232.17 is: 166,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,921.38 : 391,493.49 = 111,232.17 : x
  2. Step 2: Convert to fraction form
    260,921.38/391,493.49 = 111,232.17/x
  3. Step 3: Cross multiply
    260,921.38x = 391,493.49 × 111,232.17
  4. Step 4: Simplify right side
    260,921.38x = 43,546,670,433.57
  5. Step 5: Solve for x
    x = 43,546,670,433.57/260,921.38
  6. Step 6: Final answer
    x = 166,895.75

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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.