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Finding the Fourth Proportional to 227,542.80, 341,314.20 and 61,330.80

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Solution

The fourth proportional to 227,542.80, 341,314.20 and 61,330.80 is: 91,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,542.80 : 341,314.20 = 61,330.80 : x
  2. Step 2: Convert to fraction form
    227,542.80/341,314.20 = 61,330.80/x
  3. Step 3: Cross multiply
    227,542.80x = 341,314.20 × 61,330.80
  4. Step 4: Simplify right side
    227,542.80x = 20,933,072,937.36
  5. Step 5: Solve for x
    x = 20,933,072,937.36/227,542.80
  6. Step 6: Final answer
    x = 91,996.20

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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.