Home / 269,122.20-403,683.30-206,136.60

Finding the Fourth Proportional to 269,122.20, 403,683.30 and 206,136.60

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Solution

The fourth proportional to 269,122.20, 403,683.30 and 206,136.60 is: 309,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,122.20 : 403,683.30 = 206,136.60 : x
  2. Step 2: Convert to fraction form
    269,122.20/403,683.30 = 206,136.60/x
  3. Step 3: Cross multiply
    269,122.20x = 403,683.30 × 206,136.60
  4. Step 4: Simplify right side
    269,122.20x = 83,213,902,938.78
  5. Step 5: Solve for x
    x = 83,213,902,938.78/269,122.20
  6. Step 6: Final answer
    x = 309,204.90

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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.