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Finding the Fourth Proportional to 227,072.97, 340,669.29 and 113,254.20

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Solution

The fourth proportional to 227,072.97, 340,669.29 and 113,254.20 is: 169,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,072.97 : 340,669.29 = 113,254.20 : x
  2. Step 2: Convert to fraction form
    227,072.97/340,669.29 = 113,254.20/x
  3. Step 3: Cross multiply
    227,072.97x = 340,669.29 × 113,254.20
  4. Step 4: Simplify right side
    227,072.97x = 38,582,228,328.22
  5. Step 5: Solve for x
    x = 38,582,228,328.22/227,072.97
  6. Step 6: Final answer
    x = 169,911.14

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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.