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Finding the Fourth Proportional to 555,202.26, 766,179.52 and 300,553.64

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Solution

The fourth proportional to 555,202.26, 766,179.52 and 300,553.64 is: 414,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,202.26 : 766,179.52 = 300,553.64 : x
  2. Step 2: Convert to fraction form
    555,202.26/766,179.52 = 300,553.64/x
  3. Step 3: Cross multiply
    555,202.26x = 766,179.52 × 300,553.64
  4. Step 4: Simplify right side
    555,202.26x = 230,278,043,629.45
  5. Step 5: Solve for x
    x = 230,278,043,629.45/555,202.26
  6. Step 6: Final answer
    x = 414,764.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.