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Finding the Fourth Proportional to 270,399.78, 373,144.82 and 149,537.84

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Solution

The fourth proportional to 270,399.78, 373,144.82 and 149,537.84 is: 206,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,399.78 : 373,144.82 = 149,537.84 : x
  2. Step 2: Convert to fraction form
    270,399.78/373,144.82 = 149,537.84/x
  3. Step 3: Cross multiply
    270,399.78x = 373,144.82 × 149,537.84
  4. Step 4: Simplify right side
    270,399.78x = 55,799,270,389.99
  5. Step 5: Solve for x
    x = 55,799,270,389.99/270,399.78
  6. Step 6: Final answer
    x = 206,358.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.