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Finding the Fourth Proportional to 504,694.80, 757,333.80 and 189,183.60

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Solution

The fourth proportional to 504,694.80, 757,333.80 and 189,183.60 is: 283,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,694.80 : 757,333.80 = 189,183.60 : x
  2. Step 2: Convert to fraction form
    504,694.80/757,333.80 = 189,183.60/x
  3. Step 3: Cross multiply
    504,694.80x = 757,333.80 × 189,183.60
  4. Step 4: Simplify right side
    504,694.80x = 143,275,134,685.68
  5. Step 5: Solve for x
    x = 143,275,134,685.68/504,694.80
  6. Step 6: Final answer
    x = 283,884.71

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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.