Home / 268,860.38-403,351.33-88,945.38

Finding the Fourth Proportional to 268,860.38, 403,351.33 and 88,945.38

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Solution

The fourth proportional to 268,860.38, 403,351.33 and 88,945.38 is: 133,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,860.38 : 403,351.33 = 88,945.38 : x
  2. Step 2: Convert to fraction form
    268,860.38/403,351.33 = 88,945.38/x
  3. Step 3: Cross multiply
    268,860.38x = 403,351.33 × 88,945.38
  4. Step 4: Simplify right side
    268,860.38x = 35,876,237,360.75
  5. Step 5: Solve for x
    x = 35,876,237,360.75/268,860.38
  6. Step 6: Final answer
    x = 133,438.17

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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.