Home / 490,785.85-736,188.00-153,819.04

Finding the Fourth Proportional to 490,785.85, 736,188.00 and 153,819.04

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Solution

The fourth proportional to 490,785.85, 736,188.00 and 153,819.04 is: 230,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,785.85 : 736,188.00 = 153,819.04 : x
  2. Step 2: Convert to fraction form
    490,785.85/736,188.00 = 153,819.04/x
  3. Step 3: Cross multiply
    490,785.85x = 736,188.00 × 153,819.04
  4. Step 4: Simplify right side
    490,785.85x = 113,239,729,002.23
  5. Step 5: Solve for x
    x = 113,239,729,002.23/490,785.85
  6. Step 6: Final answer
    x = 230,731.45

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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.