Home / 274,154.40-378,293.04-161,013.60

Finding the Fourth Proportional to 274,154.40, 378,293.04 and 161,013.60

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Solution

The fourth proportional to 274,154.40, 378,293.04 and 161,013.60 is: 222,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,154.40 : 378,293.04 = 161,013.60 : x
  2. Step 2: Convert to fraction form
    274,154.40/378,293.04 = 161,013.60/x
  3. Step 3: Cross multiply
    274,154.40x = 378,293.04 × 161,013.60
  4. Step 4: Simplify right side
    274,154.40x = 60,910,324,225.34
  5. Step 5: Solve for x
    x = 60,910,324,225.34/274,154.40
  6. Step 6: Final answer
    x = 222,175.26

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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.