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Finding the Fourth Proportional to 373,354.21, 515,227.86 and 203,588.34

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Solution

The fourth proportional to 373,354.21, 515,227.86 and 203,588.34 is: 280,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,354.21 : 515,227.86 = 203,588.34 : x
  2. Step 2: Convert to fraction form
    373,354.21/515,227.86 = 203,588.34/x
  3. Step 3: Cross multiply
    373,354.21x = 515,227.86 × 203,588.34
  4. Step 4: Simplify right side
    373,354.21x = 104,894,384,739.15
  5. Step 5: Solve for x
    x = 104,894,384,739.15/373,354.21
  6. Step 6: Final answer
    x = 280,951.39

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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.