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Finding the Fourth Proportional to 300,609.44, 450,966 and 100,949.04

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Solution

The fourth proportional to 300,609.44, 450,966 and 100,949.04 is: 151,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,609.44 : 450,966 = 100,949.04 : x
  2. Step 2: Convert to fraction form
    300,609.44/450,966 = 100,949.04/x
  3. Step 3: Cross multiply
    300,609.44x = 450,966 × 100,949.04
  4. Step 4: Simplify right side
    300,609.44x = 45,524,584,772.64
  5. Step 5: Solve for x
    x = 45,524,584,772.64/300,609.44
  6. Step 6: Final answer
    x = 151,440.97

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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.