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Finding the Fourth Proportional to 339,186.88, 468,054.48 and 188,272

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Solution

The fourth proportional to 339,186.88, 468,054.48 and 188,272 is: 259,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,186.88 : 468,054.48 = 188,272 : x
  2. Step 2: Convert to fraction form
    339,186.88/468,054.48 = 188,272/x
  3. Step 3: Cross multiply
    339,186.88x = 468,054.48 × 188,272
  4. Step 4: Simplify right side
    339,186.88x = 88,121,553,058.56
  5. Step 5: Solve for x
    x = 88,121,553,058.56/339,186.88
  6. Step 6: Final answer
    x = 259,802.36

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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.