Home / 335,138.92-503,066.50-135,589.75

Finding the Fourth Proportional to 335,138.92, 503,066.50 and 135,589.75

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Solution

The fourth proportional to 335,138.92, 503,066.50 and 135,589.75 is: 203,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,138.92 : 503,066.50 = 135,589.75 : x
  2. Step 2: Convert to fraction form
    335,138.92/503,066.50 = 135,589.75/x
  3. Step 3: Cross multiply
    335,138.92x = 503,066.50 × 135,589.75
  4. Step 4: Simplify right side
    335,138.92x = 68,210,659,371.73
  5. Step 5: Solve for x
    x = 68,210,659,371.73/335,138.92
  6. Step 6: Final answer
    x = 203,529.51

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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.