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Finding the Fourth Proportional to 269,806.26, 372,322.85 and 148,944.94

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Solution

The fourth proportional to 269,806.26, 372,322.85 and 148,944.94 is: 205,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,806.26 : 372,322.85 = 148,944.94 : x
  2. Step 2: Convert to fraction form
    269,806.26/372,322.85 = 148,944.94/x
  3. Step 3: Cross multiply
    269,806.26x = 372,322.85 × 148,944.94
  4. Step 4: Simplify right side
    269,806.26x = 55,455,604,553.88
  5. Step 5: Solve for x
    x = 55,455,604,553.88/269,806.26
  6. Step 6: Final answer
    x = 205,538.61

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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.