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Finding the Fourth Proportional to 227,549.80, 341,324.70 and 115,575.40

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Solution

The fourth proportional to 227,549.80, 341,324.70 and 115,575.40 is: 173,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,549.80 : 341,324.70 = 115,575.40 : x
  2. Step 2: Convert to fraction form
    227,549.80/341,324.70 = 115,575.40/x
  3. Step 3: Cross multiply
    227,549.80x = 341,324.70 × 115,575.40
  4. Step 4: Simplify right side
    227,549.80x = 39,448,738,732.38
  5. Step 5: Solve for x
    x = 39,448,738,732.38/227,549.80
  6. Step 6: Final answer
    x = 173,363.10

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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.