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Finding the Fourth Proportional to 269,637.69, 372,234.78 and 167,695.95

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Solution

The fourth proportional to 269,637.69, 372,234.78 and 167,695.95 is: 231,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,637.69 : 372,234.78 = 167,695.95 : x
  2. Step 2: Convert to fraction form
    269,637.69/372,234.78 = 167,695.95/x
  3. Step 3: Cross multiply
    269,637.69x = 372,234.78 × 167,695.95
  4. Step 4: Simplify right side
    269,637.69x = 62,422,265,055.14
  5. Step 5: Solve for x
    x = 62,422,265,055.14/269,637.69
  6. Step 6: Final answer
    x = 231,504.23

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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.