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Finding the Fourth Proportional to 339,016, 467,842.08 and 188,137.28

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Solution

The fourth proportional to 339,016, 467,842.08 and 188,137.28 is: 259,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,016 : 467,842.08 = 188,137.28 : x
  2. Step 2: Convert to fraction form
    339,016/467,842.08 = 188,137.28/x
  3. Step 3: Cross multiply
    339,016x = 467,842.08 × 188,137.28
  4. Step 4: Simplify right side
    339,016x = 88,018,536,400.74
  5. Step 5: Solve for x
    x = 88,018,536,400.74/339,016
  6. Step 6: Final answer
    x = 259,629.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.