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Finding the Fourth Proportional to 404,255.88, 606,446.19 and 137,954.07

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Solution

The fourth proportional to 404,255.88, 606,446.19 and 137,954.07 is: 206,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,255.88 : 606,446.19 = 137,954.07 : x
  2. Step 2: Convert to fraction form
    404,255.88/606,446.19 = 137,954.07/x
  3. Step 3: Cross multiply
    404,255.88x = 606,446.19 × 137,954.07
  4. Step 4: Simplify right side
    404,255.88x = 83,661,720,146.49
  5. Step 5: Solve for x
    x = 83,661,720,146.49/404,255.88
  6. Step 6: Final answer
    x = 206,952.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.