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Finding the Fourth Proportional to 270,285.62, 372,961.75 and 149,410.54

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Solution

The fourth proportional to 270,285.62, 372,961.75 and 149,410.54 is: 206,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,285.62 : 372,961.75 = 149,410.54 : x
  2. Step 2: Convert to fraction form
    270,285.62/372,961.75 = 149,410.54/x
  3. Step 3: Cross multiply
    270,285.62x = 372,961.75 × 149,410.54
  4. Step 4: Simplify right side
    270,285.62x = 55,724,416,466.85
  5. Step 5: Solve for x
    x = 55,724,416,466.85/270,285.62
  6. Step 6: Final answer
    x = 206,168.63

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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.