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Finding the Fourth Proportional to 226,378.17, 339,596.43 and 68,578.83

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Solution

The fourth proportional to 226,378.17, 339,596.43 and 68,578.83 is: 102,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,378.17 : 339,596.43 = 68,578.83 : x
  2. Step 2: Convert to fraction form
    226,378.17/339,596.43 = 68,578.83/x
  3. Step 3: Cross multiply
    226,378.17x = 339,596.43 × 68,578.83
  4. Step 4: Simplify right side
    226,378.17x = 23,289,125,841.58
  5. Step 5: Solve for x
    x = 23,289,125,841.58/226,378.17
  6. Step 6: Final answer
    x = 102,877.08

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1.5x scale

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.