Home / 490,620.27-736,215.93-206,290.22

Finding the Fourth Proportional to 490,620.27, 736,215.93 and 206,290.22

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Solution

The fourth proportional to 490,620.27, 736,215.93 and 206,290.22 is: 309,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,620.27 : 736,215.93 = 206,290.22 : x
  2. Step 2: Convert to fraction form
    490,620.27/736,215.93 = 206,290.22/x
  3. Step 3: Cross multiply
    490,620.27x = 736,215.93 × 206,290.22
  4. Step 4: Simplify right side
    490,620.27x = 151,874,146,167.21
  5. Step 5: Solve for x
    x = 151,874,146,167.21/490,620.27
  6. Step 6: Final answer
    x = 309,555.38

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1.5x scale

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.