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Finding the Fourth Proportional to 375,191.22, 517,763.34 and 203,108.34

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Solution

The fourth proportional to 375,191.22, 517,763.34 and 203,108.34 is: 280,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,191.22 : 517,763.34 = 203,108.34 : x
  2. Step 2: Convert to fraction form
    375,191.22/517,763.34 = 203,108.34/x
  3. Step 3: Cross multiply
    375,191.22x = 517,763.34 × 203,108.34
  4. Step 4: Simplify right side
    375,191.22x = 105,162,052,500.26
  5. Step 5: Solve for x
    x = 105,162,052,500.26/375,191.22
  6. Step 6: Final answer
    x = 280,289.21

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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.