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Finding the Fourth Proportional to 199,400.39, 275,164.92 and 109,976.39

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Solution

The fourth proportional to 199,400.39, 275,164.92 and 109,976.39 is: 151,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,400.39 : 275,164.92 = 109,976.39 : x
  2. Step 2: Convert to fraction form
    199,400.39/275,164.92 = 109,976.39/x
  3. Step 3: Cross multiply
    199,400.39x = 275,164.92 × 109,976.39
  4. Step 4: Simplify right side
    199,400.39x = 30,261,644,556.24
  5. Step 5: Solve for x
    x = 30,261,644,556.24/199,400.39
  6. Step 6: Final answer
    x = 151,763.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.