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Finding the Fourth Proportional to 275,050.08, 379,600.60 and 154,224

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Solution

The fourth proportional to 275,050.08, 379,600.60 and 154,224 is: 212,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,050.08 : 379,600.60 = 154,224 : x
  2. Step 2: Convert to fraction form
    275,050.08/379,600.60 = 154,224/x
  3. Step 3: Cross multiply
    275,050.08x = 379,600.60 × 154,224
  4. Step 4: Simplify right side
    275,050.08x = 58,543,522,934.40
  5. Step 5: Solve for x
    x = 58,543,522,934.40/275,050.08
  6. Step 6: Final answer
    x = 212,846.78

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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.