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Finding the Fourth Proportional to 373,318.56, 515,190.24 and 203,562

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Solution

The fourth proportional to 373,318.56, 515,190.24 and 203,562 is: 280,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,318.56 : 515,190.24 = 203,562 : x
  2. Step 2: Convert to fraction form
    373,318.56/515,190.24 = 203,562/x
  3. Step 3: Cross multiply
    373,318.56x = 515,190.24 × 203,562
  4. Step 4: Simplify right side
    373,318.56x = 104,873,155,634.88
  5. Step 5: Solve for x
    x = 104,873,155,634.88/373,318.56
  6. Step 6: Final answer
    x = 280,921.35

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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.