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Finding the Fourth Proportional to 300,188.30, 449,690.73 and 244,091.75

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Solution

The fourth proportional to 300,188.30, 449,690.73 and 244,091.75 is: 365,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,188.30 : 449,690.73 = 244,091.75 : x
  2. Step 2: Convert to fraction form
    300,188.30/449,690.73 = 244,091.75/x
  3. Step 3: Cross multiply
    300,188.30x = 449,690.73 × 244,091.75
  4. Step 4: Simplify right side
    300,188.30x = 109,765,794,996.02
  5. Step 5: Solve for x
    x = 109,765,794,996.02/300,188.30
  6. Step 6: Final answer
    x = 365,656.48

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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.