Home / 672,136.20-1,008,204.30-198,826.20

Finding the Fourth Proportional to 672,136.20, 1,008,204.30 and 198,826.20

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Solution

The fourth proportional to 672,136.20, 1,008,204.30 and 198,826.20 is: 298,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,136.20 : 1,008,204.30 = 198,826.20 : x
  2. Step 2: Convert to fraction form
    672,136.20/1,008,204.30 = 198,826.20/x
  3. Step 3: Cross multiply
    672,136.20x = 1,008,204.30 × 198,826.20
  4. Step 4: Simplify right side
    672,136.20x = 200,457,429,792.66
  5. Step 5: Solve for x
    x = 200,457,429,792.66/672,136.20
  6. Step 6: Final answer
    x = 298,239.30

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Double scale
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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.