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Finding the Fourth Proportional to 518,049.63, 777,517.31 and 202,727.97

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Solution

The fourth proportional to 518,049.63, 777,517.31 and 202,727.97 is: 304,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,049.63 : 777,517.31 = 202,727.97 : x
  2. Step 2: Convert to fraction form
    518,049.63/777,517.31 = 202,727.97/x
  3. Step 3: Cross multiply
    518,049.63x = 777,517.31 × 202,727.97
  4. Step 4: Simplify right side
    518,049.63x = 157,624,505,896.16
  5. Step 5: Solve for x
    x = 157,624,505,896.16/518,049.63
  6. Step 6: Final answer
    x = 304,265.26

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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.