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Finding the Fourth Proportional to 609,418.44, 913,874.94 and 230,273.64

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Solution

The fourth proportional to 609,418.44, 913,874.94 and 230,273.64 is: 345,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,418.44 : 913,874.94 = 230,273.64 : x
  2. Step 2: Convert to fraction form
    609,418.44/913,874.94 = 230,273.64/x
  3. Step 3: Cross multiply
    609,418.44x = 913,874.94 × 230,273.64
  4. Step 4: Simplify right side
    609,418.44x = 210,441,308,938.58
  5. Step 5: Solve for x
    x = 210,441,308,938.58/609,418.44
  6. Step 6: Final answer
    x = 345,314.97

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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.