Home / 300,756.56-451,135.44-123,231.69

Finding the Fourth Proportional to 300,756.56, 451,135.44 and 123,231.69

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Solution

The fourth proportional to 300,756.56, 451,135.44 and 123,231.69 is: 184,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,756.56 : 451,135.44 = 123,231.69 : x
  2. Step 2: Convert to fraction form
    300,756.56/451,135.44 = 123,231.69/x
  3. Step 3: Cross multiply
    300,756.56x = 451,135.44 × 123,231.69
  4. Step 4: Simplify right side
    300,756.56x = 55,594,182,690.09
  5. Step 5: Solve for x
    x = 55,594,182,690.09/300,756.56
  6. Step 6: Final answer
    x = 184,847.78

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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.