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Finding the Fourth Proportional to 609,462.22, 914,433.90 and 188,770.90

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Solution

The fourth proportional to 609,462.22, 914,433.90 and 188,770.90 is: 283,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,462.22 : 914,433.90 = 188,770.90 : x
  2. Step 2: Convert to fraction form
    609,462.22/914,433.90 = 188,770.90/x
  3. Step 3: Cross multiply
    609,462.22x = 914,433.90 × 188,770.90
  4. Step 4: Simplify right side
    609,462.22x = 172,618,510,293.51
  5. Step 5: Solve for x
    x = 172,618,510,293.51/609,462.22
  6. Step 6: Final answer
    x = 283,230.86

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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.