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Finding the Fourth Proportional to 269,351.67, 371,707.89 and 148,497.39

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Solution

The fourth proportional to 269,351.67, 371,707.89 and 148,497.39 is: 204,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,351.67 : 371,707.89 = 148,497.39 : x
  2. Step 2: Convert to fraction form
    269,351.67/371,707.89 = 148,497.39/x
  3. Step 3: Cross multiply
    269,351.67x = 371,707.89 × 148,497.39
  4. Step 4: Simplify right side
    269,351.67x = 55,197,651,507.41
  5. Step 5: Solve for x
    x = 55,197,651,507.41/269,351.67
  6. Step 6: Final answer
    x = 204,927.82

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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.