Home / 490,619.27-736,214.43-206,289.22

Finding the Fourth Proportional to 490,619.27, 736,214.43 and 206,289.22

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Solution

The fourth proportional to 490,619.27, 736,214.43 and 206,289.22 is: 309,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,619.27 : 736,214.43 = 206,289.22 : x
  2. Step 2: Convert to fraction form
    490,619.27/736,214.43 = 206,289.22/x
  3. Step 3: Cross multiply
    490,619.27x = 736,214.43 × 206,289.22
  4. Step 4: Simplify right side
    490,619.27x = 151,873,100,517.45
  5. Step 5: Solve for x
    x = 151,873,100,517.45/490,619.27
  6. Step 6: Final answer
    x = 309,553.88

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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.