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Finding the Fourth Proportional to 339,036, 467,884.26 and 188,133

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Solution

The fourth proportional to 339,036, 467,884.26 and 188,133 is: 259,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,036 : 467,884.26 = 188,133 : x
  2. Step 2: Convert to fraction form
    339,036/467,884.26 = 188,133/x
  3. Step 3: Cross multiply
    339,036x = 467,884.26 × 188,133
  4. Step 4: Simplify right side
    339,036x = 88,024,469,486.58
  5. Step 5: Solve for x
    x = 88,024,469,486.58/339,036
  6. Step 6: Final answer
    x = 259,631.63

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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.