Home / 300,864-451,325.96-111,375.04

Finding the Fourth Proportional to 300,864, 451,325.96 and 111,375.04

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Solution

The fourth proportional to 300,864, 451,325.96 and 111,375.04 is: 167,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,864 : 451,325.96 = 111,375.04 : x
  2. Step 2: Convert to fraction form
    300,864/451,325.96 = 111,375.04/x
  3. Step 3: Cross multiply
    300,864x = 451,325.96 × 111,375.04
  4. Step 4: Simplify right side
    300,864x = 50,266,446,848.04
  5. Step 5: Solve for x
    x = 50,266,446,848.04/300,864
  6. Step 6: Final answer
    x = 167,073.65

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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.