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Finding the Fourth Proportional to 609,860.26, 914,346.51 and 254,974.96

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Solution

The fourth proportional to 609,860.26, 914,346.51 and 254,974.96 is: 382,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,860.26 : 914,346.51 = 254,974.96 : x
  2. Step 2: Convert to fraction form
    609,860.26/914,346.51 = 254,974.96/x
  3. Step 3: Cross multiply
    609,860.26x = 914,346.51 × 254,974.96
  4. Step 4: Simplify right side
    609,860.26x = 233,135,464,813.39
  5. Step 5: Solve for x
    x = 233,135,464,813.39/609,860.26
  6. Step 6: Final answer
    x = 382,276.86

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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.