Home / 490,785.97-736,188.19-153,819.17

Finding the Fourth Proportional to 490,785.97, 736,188.19 and 153,819.17

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Solution

The fourth proportional to 490,785.97, 736,188.19 and 153,819.17 is: 230,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,785.97 : 736,188.19 = 153,819.17 : x
  2. Step 2: Convert to fraction form
    490,785.97/736,188.19 = 153,819.17/x
  3. Step 3: Cross multiply
    490,785.97x = 736,188.19 × 153,819.17
  4. Step 4: Simplify right side
    490,785.97x = 113,239,851,899.57
  5. Step 5: Solve for x
    x = 113,239,851,899.57/490,785.97
  6. Step 6: Final answer
    x = 230,731.64

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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.