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Finding the Fourth Proportional to 356,350.32, 491,745.84 and 195,205.92

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Solution

The fourth proportional to 356,350.32, 491,745.84 and 195,205.92 is: 269,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,350.32 : 491,745.84 = 195,205.92 : x
  2. Step 2: Convert to fraction form
    356,350.32/491,745.84 = 195,205.92/x
  3. Step 3: Cross multiply
    356,350.32x = 491,745.84 × 195,205.92
  4. Step 4: Simplify right side
    356,350.32x = 95,991,699,103.37
  5. Step 5: Solve for x
    x = 95,991,699,103.37/356,350.32
  6. Step 6: Final answer
    x = 269,374.53

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1.5x scale

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.