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Finding the Fourth Proportional to 227,718.78, 341,752.41 and 103,147.26

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Solution

The fourth proportional to 227,718.78, 341,752.41 and 103,147.26 is: 154,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,718.78 : 341,752.41 = 103,147.26 : x
  2. Step 2: Convert to fraction form
    227,718.78/341,752.41 = 103,147.26/x
  3. Step 3: Cross multiply
    227,718.78x = 341,752.41 × 103,147.26
  4. Step 4: Simplify right side
    227,718.78x = 35,250,824,689.90
  5. Step 5: Solve for x
    x = 35,250,824,689.90/227,718.78
  6. Step 6: Final answer
    x = 154,799.81

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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.