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Finding the Fourth Proportional to 269,816, 404,743.62 and 103,604

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Solution

The fourth proportional to 269,816, 404,743.62 and 103,604 is: 155,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,816 : 404,743.62 = 103,604 : x
  2. Step 2: Convert to fraction form
    269,816/404,743.62 = 103,604/x
  3. Step 3: Cross multiply
    269,816x = 404,743.62 × 103,604
  4. Step 4: Simplify right side
    269,816x = 41,933,058,006.48
  5. Step 5: Solve for x
    x = 41,933,058,006.48/269,816
  6. Step 6: Final answer
    x = 155,413.53

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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.