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Finding the Fourth Proportional to 270,299.30, 372,996.98 and 149,433.36

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Solution

The fourth proportional to 270,299.30, 372,996.98 and 149,433.36 is: 206,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,299.30 : 372,996.98 = 149,433.36 : x
  2. Step 2: Convert to fraction form
    270,299.30/372,996.98 = 149,433.36/x
  3. Step 3: Cross multiply
    270,299.30x = 372,996.98 × 149,433.36
  4. Step 4: Simplify right side
    270,299.30x = 55,738,191,991.25
  5. Step 5: Solve for x
    x = 55,738,191,991.25/270,299.30
  6. Step 6: Final answer
    x = 206,209.16

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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.