Home / 257,266.38-385,960.90-88,788.18

Finding the Fourth Proportional to 257,266.38, 385,960.90 and 88,788.18

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Solution

The fourth proportional to 257,266.38, 385,960.90 and 88,788.18 is: 133,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,266.38 : 385,960.90 = 88,788.18 : x
  2. Step 2: Convert to fraction form
    257,266.38/385,960.90 = 88,788.18/x
  3. Step 3: Cross multiply
    257,266.38x = 385,960.90 × 88,788.18
  4. Step 4: Simplify right side
    257,266.38x = 34,268,763,997.48
  5. Step 5: Solve for x
    x = 34,268,763,997.48/257,266.38
  6. Step 6: Final answer
    x = 133,203.43

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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.