Home / 275,276.34-412,780.86-161,455.14

Finding the Fourth Proportional to 275,276.34, 412,780.86 and 161,455.14

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Solution

The fourth proportional to 275,276.34, 412,780.86 and 161,455.14 is: 242,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,276.34 : 412,780.86 = 161,455.14 : x
  2. Step 2: Convert to fraction form
    275,276.34/412,780.86 = 161,455.14/x
  3. Step 3: Cross multiply
    275,276.34x = 412,780.86 × 161,455.14
  4. Step 4: Simplify right side
    275,276.34x = 66,645,591,540.62
  5. Step 5: Solve for x
    x = 66,645,591,540.62/275,276.34
  6. Step 6: Final answer
    x = 242,104.32

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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.