Home / 490,732.20-736,098.30-158,308.20

Finding the Fourth Proportional to 490,732.20, 736,098.30 and 158,308.20

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Solution

The fourth proportional to 490,732.20, 736,098.30 and 158,308.20 is: 237,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,732.20 : 736,098.30 = 158,308.20 : x
  2. Step 2: Convert to fraction form
    490,732.20/736,098.30 = 158,308.20/x
  3. Step 3: Cross multiply
    490,732.20x = 736,098.30 × 158,308.20
  4. Step 4: Simplify right side
    490,732.20x = 116,530,396,896.06
  5. Step 5: Solve for x
    x = 116,530,396,896.06/490,732.20
  6. Step 6: Final answer
    x = 237,462.30

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Similar ratio
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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.