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Finding the Fourth Proportional to 203,847.28, 305,540.22 and 103,796.13

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Solution

The fourth proportional to 203,847.28, 305,540.22 and 103,796.13 is: 155,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,847.28 : 305,540.22 = 103,796.13 : x
  2. Step 2: Convert to fraction form
    203,847.28/305,540.22 = 103,796.13/x
  3. Step 3: Cross multiply
    203,847.28x = 305,540.22 × 103,796.13
  4. Step 4: Simplify right side
    203,847.28x = 31,713,892,395.35
  5. Step 5: Solve for x
    x = 31,713,892,395.35/203,847.28
  6. Step 6: Final answer
    x = 155,576.73

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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.