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Finding the Fourth Proportional to 275,386.80, 379,893.24 and 179,949.36

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Solution

The fourth proportional to 275,386.80, 379,893.24 and 179,949.36 is: 248,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,386.80 : 379,893.24 = 179,949.36 : x
  2. Step 2: Convert to fraction form
    275,386.80/379,893.24 = 179,949.36/x
  3. Step 3: Cross multiply
    275,386.80x = 379,893.24 × 179,949.36
  4. Step 4: Simplify right side
    275,386.80x = 68,361,545,406.33
  5. Step 5: Solve for x
    x = 68,361,545,406.33/275,386.80
  6. Step 6: Final answer
    x = 248,238.28

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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.