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Finding the Fourth Proportional to 269,910.77, 404,544.04 and 125,622.43

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Solution

The fourth proportional to 269,910.77, 404,544.04 and 125,622.43 is: 188,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,910.77 : 404,544.04 = 125,622.43 : x
  2. Step 2: Convert to fraction form
    269,910.77/404,544.04 = 125,622.43/x
  3. Step 3: Cross multiply
    269,910.77x = 404,544.04 × 125,622.43
  4. Step 4: Simplify right side
    269,910.77x = 50,819,804,021.40
  5. Step 5: Solve for x
    x = 50,819,804,021.40/269,910.77
  6. Step 6: Final answer
    x = 188,283.72

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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.