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Finding the Fourth Proportional to 257,793.03, 386,232.03 and 107,703

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Solution

The fourth proportional to 257,793.03, 386,232.03 and 107,703 is: 161,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,793.03 : 386,232.03 = 107,703 : x
  2. Step 2: Convert to fraction form
    257,793.03/386,232.03 = 107,703/x
  3. Step 3: Cross multiply
    257,793.03x = 386,232.03 × 107,703
  4. Step 4: Simplify right side
    257,793.03x = 41,598,348,327.09
  5. Step 5: Solve for x
    x = 41,598,348,327.09/257,793.03
  6. Step 6: Final answer
    x = 161,363.36

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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.