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Finding the Fourth Proportional to 226,573.58, 339,838.33 and 68,803.40

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Solution

The fourth proportional to 226,573.58, 339,838.33 and 68,803.40 is: 103,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,573.58 : 339,838.33 = 68,803.40 : x
  2. Step 2: Convert to fraction form
    226,573.58/339,838.33 = 68,803.40/x
  3. Step 3: Cross multiply
    226,573.58x = 339,838.33 × 68,803.40
  4. Step 4: Simplify right side
    226,573.58x = 23,382,032,554.32
  5. Step 5: Solve for x
    x = 23,382,032,554.32/226,573.58
  6. Step 6: Final answer
    x = 103,198.41

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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.