Home / 490,202.28-734,667.68-220,131

Finding the Fourth Proportional to 490,202.28, 734,667.68 and 220,131

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Solution

The fourth proportional to 490,202.28, 734,667.68 and 220,131 is: 329,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,202.28 : 734,667.68 = 220,131 : x
  2. Step 2: Convert to fraction form
    490,202.28/734,667.68 = 220,131/x
  3. Step 3: Cross multiply
    490,202.28x = 734,667.68 × 220,131
  4. Step 4: Simplify right side
    490,202.28x = 161,723,131,066.08
  5. Step 5: Solve for x
    x = 161,723,131,066.08/490,202.28
  6. Step 6: Final answer
    x = 329,911.01

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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.