Home / 308,136.20-462,204.30-273,921.80

Finding the Fourth Proportional to 308,136.20, 462,204.30 and 273,921.80

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Solution

The fourth proportional to 308,136.20, 462,204.30 and 273,921.80 is: 410,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,136.20 : 462,204.30 = 273,921.80 : x
  2. Step 2: Convert to fraction form
    308,136.20/462,204.30 = 273,921.80/x
  3. Step 3: Cross multiply
    308,136.20x = 462,204.30 × 273,921.80
  4. Step 4: Simplify right side
    308,136.20x = 126,607,833,823.74
  5. Step 5: Solve for x
    x = 126,607,833,823.74/308,136.20
  6. Step 6: Final answer
    x = 410,882.70

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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.