Home / 256,968.06-385,449.92-200,855.38

Finding the Fourth Proportional to 256,968.06, 385,449.92 and 200,855.38

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Solution

The fourth proportional to 256,968.06, 385,449.92 and 200,855.38 is: 301,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,968.06 : 385,449.92 = 200,855.38 : x
  2. Step 2: Convert to fraction form
    256,968.06/385,449.92 = 200,855.38/x
  3. Step 3: Cross multiply
    256,968.06x = 385,449.92 × 200,855.38
  4. Step 4: Simplify right side
    256,968.06x = 77,419,690,152.57
  5. Step 5: Solve for x
    x = 77,419,690,152.57/256,968.06
  6. Step 6: Final answer
    x = 301,281.37

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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.