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Finding the Fourth Proportional to 265,249.79, 397,887.90 and 75,738.27

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Solution

The fourth proportional to 265,249.79, 397,887.90 and 75,738.27 is: 113,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,249.79 : 397,887.90 = 75,738.27 : x
  2. Step 2: Convert to fraction form
    265,249.79/397,887.90 = 75,738.27/x
  3. Step 3: Cross multiply
    265,249.79x = 397,887.90 × 75,738.27
  4. Step 4: Simplify right side
    265,249.79x = 30,135,341,199.93
  5. Step 5: Solve for x
    x = 30,135,341,199.93/265,249.79
  6. Step 6: Final answer
    x = 113,611.18

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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.