Home / 300,786.20-451,207.14-98,383.46

Finding the Fourth Proportional to 300,786.20, 451,207.14 and 98,383.46

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Solution

The fourth proportional to 300,786.20, 451,207.14 and 98,383.46 is: 147,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,786.20 : 451,207.14 = 98,383.46 : x
  2. Step 2: Convert to fraction form
    300,786.20/451,207.14 = 98,383.46/x
  3. Step 3: Cross multiply
    300,786.20x = 451,207.14 × 98,383.46
  4. Step 4: Simplify right side
    300,786.20x = 44,391,317,353.87
  5. Step 5: Solve for x
    x = 44,391,317,353.87/300,786.20
  6. Step 6: Final answer
    x = 147,584.29

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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.