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Finding the Fourth Proportional to 339,199.97, 468,077.68 and 188,287.25

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Solution

The fourth proportional to 339,199.97, 468,077.68 and 188,287.25 is: 259,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,199.97 : 468,077.68 = 188,287.25 : x
  2. Step 2: Convert to fraction form
    339,199.97/468,077.68 = 188,287.25/x
  3. Step 3: Cross multiply
    339,199.97x = 468,077.68 × 188,287.25
  4. Step 4: Simplify right side
    339,199.97x = 88,133,059,153.58
  5. Step 5: Solve for x
    x = 88,133,059,153.58/339,199.97
  6. Step 6: Final answer
    x = 259,826.26

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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.