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Finding the Fourth Proportional to 268,860.48, 403,351.49 and 88,945.49

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Solution

The fourth proportional to 268,860.48, 403,351.49 and 88,945.49 is: 133,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,860.48 : 403,351.49 = 88,945.49 : x
  2. Step 2: Convert to fraction form
    268,860.48/403,351.49 = 88,945.49/x
  3. Step 3: Cross multiply
    268,860.48x = 403,351.49 × 88,945.49
  4. Step 4: Simplify right side
    268,860.48x = 35,876,293,458.80
  5. Step 5: Solve for x
    x = 35,876,293,458.80/268,860.48
  6. Step 6: Final answer
    x = 133,438.33

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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.