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Finding the Fourth Proportional to 240,442.78, 331,820.81 and 133,010.97

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Solution

The fourth proportional to 240,442.78, 331,820.81 and 133,010.97 is: 183,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,442.78 : 331,820.81 = 133,010.97 : x
  2. Step 2: Convert to fraction form
    240,442.78/331,820.81 = 133,010.97/x
  3. Step 3: Cross multiply
    240,442.78x = 331,820.81 × 133,010.97
  4. Step 4: Simplify right side
    240,442.78x = 44,135,807,804.29
  5. Step 5: Solve for x
    x = 44,135,807,804.29/240,442.78
  6. Step 6: Final answer
    x = 183,560.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.