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Finding the Fourth Proportional to 247,729.88, 341,971.80 and 167,266.28

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Solution

The fourth proportional to 247,729.88, 341,971.80 and 167,266.28 is: 230,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,729.88 : 341,971.80 = 167,266.28 : x
  2. Step 2: Convert to fraction form
    247,729.88/341,971.80 = 167,266.28/x
  3. Step 3: Cross multiply
    247,729.88x = 341,971.80 × 167,266.28
  4. Step 4: Simplify right side
    247,729.88x = 57,200,350,850.90
  5. Step 5: Solve for x
    x = 57,200,350,850.90/247,729.88
  6. Step 6: Final answer
    x = 230,898.07

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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.