Home / 499,948.44-749,170.98-200,131.80

Finding the Fourth Proportional to 499,948.44, 749,170.98 and 200,131.80

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Solution

The fourth proportional to 499,948.44, 749,170.98 and 200,131.80 is: 299,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,948.44 : 749,170.98 = 200,131.80 : x
  2. Step 2: Convert to fraction form
    499,948.44/749,170.98 = 200,131.80/x
  3. Step 3: Cross multiply
    499,948.44x = 749,170.98 × 200,131.80
  4. Step 4: Simplify right side
    499,948.44x = 149,932,936,735.16
  5. Step 5: Solve for x
    x = 149,932,936,735.16/499,948.44
  6. Step 6: Final answer
    x = 299,896.80

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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.