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Finding the Fourth Proportional to 275,941.68, 380,801.04 and 161,227.06

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Solution

The fourth proportional to 275,941.68, 380,801.04 and 161,227.06 is: 222,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,941.68 : 380,801.04 = 161,227.06 : x
  2. Step 2: Convert to fraction form
    275,941.68/380,801.04 = 161,227.06/x
  3. Step 3: Cross multiply
    275,941.68x = 380,801.04 × 161,227.06
  4. Step 4: Simplify right side
    275,941.68x = 61,395,432,124.14
  5. Step 5: Solve for x
    x = 61,395,432,124.14/275,941.68
  6. Step 6: Final answer
    x = 222,494.23

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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.