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Finding the Fourth Proportional to 336,687.87, 504,380.57 and 282,003.30

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Solution

The fourth proportional to 336,687.87, 504,380.57 and 282,003.30 is: 422,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,687.87 : 504,380.57 = 282,003.30 : x
  2. Step 2: Convert to fraction form
    336,687.87/504,380.57 = 282,003.30/x
  3. Step 3: Cross multiply
    336,687.87x = 504,380.57 × 282,003.30
  4. Step 4: Simplify right side
    336,687.87x = 142,236,983,785.87
  5. Step 5: Solve for x
    x = 142,236,983,785.87/336,687.87
  6. Step 6: Final answer
    x = 422,459.48

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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.