Home / 269,721.44-372,355.56-197,042.78

Finding the Fourth Proportional to 269,721.44, 372,355.56 and 197,042.78

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Solution

The fourth proportional to 269,721.44, 372,355.56 and 197,042.78 is: 272,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.44 : 372,355.56 = 197,042.78 : x
  2. Step 2: Convert to fraction form
    269,721.44/372,355.56 = 197,042.78/x
  3. Step 3: Cross multiply
    269,721.44x = 372,355.56 × 197,042.78
  4. Step 4: Simplify right side
    269,721.44x = 73,369,974,690.86
  5. Step 5: Solve for x
    x = 73,369,974,690.86/269,721.44
  6. Step 6: Final answer
    x = 272,021.29

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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.