Home / 300,979.60-451,538.82-101,294.80

Finding the Fourth Proportional to 300,979.60, 451,538.82 and 101,294.80

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Solution

The fourth proportional to 300,979.60, 451,538.82 and 101,294.80 is: 151,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,979.60 : 451,538.82 = 101,294.80 : x
  2. Step 2: Convert to fraction form
    300,979.60/451,538.82 = 101,294.80/x
  3. Step 3: Cross multiply
    300,979.60x = 451,538.82 × 101,294.80
  4. Step 4: Simplify right side
    300,979.60x = 45,738,534,464.14
  5. Step 5: Solve for x
    x = 45,738,534,464.14/300,979.60
  6. Step 6: Final answer
    x = 151,965.56

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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.