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Finding the Fourth Proportional to 275,092.05, 412,642.40 and 125,326.29

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Solution

The fourth proportional to 275,092.05, 412,642.40 and 125,326.29 is: 187,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,092.05 : 412,642.40 = 125,326.29 : x
  2. Step 2: Convert to fraction form
    275,092.05/412,642.40 = 125,326.29/x
  3. Step 3: Cross multiply
    275,092.05x = 412,642.40 × 125,326.29
  4. Step 4: Simplify right side
    275,092.05x = 51,714,942,714.43
  5. Step 5: Solve for x
    x = 51,714,942,714.43/275,092.05
  6. Step 6: Final answer
    x = 187,991.41

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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.