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Finding the Fourth Proportional to 283,754.37, 425,520.82 and 123,879.20

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Solution

The fourth proportional to 283,754.37, 425,520.82 and 123,879.20 is: 185,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,754.37 : 425,520.82 = 123,879.20 : x
  2. Step 2: Convert to fraction form
    283,754.37/425,520.82 = 123,879.20/x
  3. Step 3: Cross multiply
    283,754.37x = 425,520.82 × 123,879.20
  4. Step 4: Simplify right side
    283,754.37x = 52,713,177,640.56
  5. Step 5: Solve for x
    x = 52,713,177,640.56/283,754.37
  6. Step 6: Final answer
    x = 185,770.46

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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.