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Finding the Fourth Proportional to 237,239.44, 327,381 and 129,806.80

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Solution

The fourth proportional to 237,239.44, 327,381 and 129,806.80 is: 179,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,239.44 : 327,381 = 129,806.80 : x
  2. Step 2: Convert to fraction form
    237,239.44/327,381 = 129,806.80/x
  3. Step 3: Cross multiply
    237,239.44x = 327,381 × 129,806.80
  4. Step 4: Simplify right side
    237,239.44x = 42,496,279,990.80
  5. Step 5: Solve for x
    x = 42,496,279,990.80/237,239.44
  6. Step 6: Final answer
    x = 179,128.23

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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.