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Finding the Fourth Proportional to 297,063.36, 445,789.44 and 273,035.52

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Solution

The fourth proportional to 297,063.36, 445,789.44 and 273,035.52 is: 409,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,063.36 : 445,789.44 = 273,035.52 : x
  2. Step 2: Convert to fraction form
    297,063.36/445,789.44 = 273,035.52/x
  3. Step 3: Cross multiply
    297,063.36x = 445,789.44 × 273,035.52
  4. Step 4: Simplify right side
    297,063.36x = 121,716,351,560.91
  5. Step 5: Solve for x
    x = 121,716,351,560.91/297,063.36
  6. Step 6: Final answer
    x = 409,731.96

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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.