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Finding the Fourth Proportional to 275,246.24, 379,844.24 and 154,414.40

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Solution

The fourth proportional to 275,246.24, 379,844.24 and 154,414.40 is: 213,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,246.24 : 379,844.24 = 154,414.40 : x
  2. Step 2: Convert to fraction form
    275,246.24/379,844.24 = 154,414.40/x
  3. Step 3: Cross multiply
    275,246.24x = 379,844.24 × 154,414.40
  4. Step 4: Simplify right side
    275,246.24x = 58,653,420,413.06
  5. Step 5: Solve for x
    x = 58,653,420,413.06/275,246.24
  6. Step 6: Final answer
    x = 213,094.36

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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.