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Finding the Fourth Proportional to 226,959.75, 340,408.98 and 93,821.54

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Solution

The fourth proportional to 226,959.75, 340,408.98 and 93,821.54 is: 140,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,959.75 : 340,408.98 = 93,821.54 : x
  2. Step 2: Convert to fraction form
    226,959.75/340,408.98 = 93,821.54/x
  3. Step 3: Cross multiply
    226,959.75x = 340,408.98 × 93,821.54
  4. Step 4: Simplify right side
    226,959.75x = 31,937,693,031.38
  5. Step 5: Solve for x
    x = 31,937,693,031.38/226,959.75
  6. Step 6: Final answer
    x = 140,719.63

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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.