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Finding the Fourth Proportional to 444,657.46, 666,886.36 and 204,540.75

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Solution

The fourth proportional to 444,657.46, 666,886.36 and 204,540.75 is: 306,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,657.46 : 666,886.36 = 204,540.75 : x
  2. Step 2: Convert to fraction form
    444,657.46/666,886.36 = 204,540.75/x
  3. Step 3: Cross multiply
    444,657.46x = 666,886.36 × 204,540.75
  4. Step 4: Simplify right side
    444,657.46x = 136,405,436,239.17
  5. Step 5: Solve for x
    x = 136,405,436,239.17/444,657.46
  6. Step 6: Final answer
    x = 306,765.20

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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.