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Finding the Fourth Proportional to 336,375.45, 504,799.56 and 304,216.47

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Solution

The fourth proportional to 336,375.45, 504,799.56 and 304,216.47 is: 456,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,375.45 : 504,799.56 = 304,216.47 : x
  2. Step 2: Convert to fraction form
    336,375.45/504,799.56 = 304,216.47/x
  3. Step 3: Cross multiply
    336,375.45x = 504,799.56 × 304,216.47
  4. Step 4: Simplify right side
    336,375.45x = 153,568,340,200.75
  5. Step 5: Solve for x
    x = 153,568,340,200.75/336,375.45
  6. Step 6: Final answer
    x = 456,538.49

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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.