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Finding the Fourth Proportional to 195,810.49, 270,198.17 and 115,233.21

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Solution

The fourth proportional to 195,810.49, 270,198.17 and 115,233.21 is: 159,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,810.49 : 270,198.17 = 115,233.21 : x
  2. Step 2: Convert to fraction form
    195,810.49/270,198.17 = 115,233.21/x
  3. Step 3: Cross multiply
    195,810.49x = 270,198.17 × 115,233.21
  4. Step 4: Simplify right side
    195,810.49x = 31,135,802,465.23
  5. Step 5: Solve for x
    x = 31,135,802,465.23/195,810.49
  6. Step 6: Final answer
    x = 159,009.88

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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.