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Finding the Fourth Proportional to 269,951.90, 372,605.67 and 155,243.07

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Solution

The fourth proportional to 269,951.90, 372,605.67 and 155,243.07 is: 214,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,951.90 : 372,605.67 = 155,243.07 : x
  2. Step 2: Convert to fraction form
    269,951.90/372,605.67 = 155,243.07/x
  3. Step 3: Cross multiply
    269,951.90x = 372,605.67 × 155,243.07
  4. Step 4: Simplify right side
    269,951.90x = 57,844,448,110.21
  5. Step 5: Solve for x
    x = 57,844,448,110.21/269,951.90
  6. Step 6: Final answer
    x = 214,276.87

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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.