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Finding the Fourth Proportional to 269,745.60, 378,196.80 and 269,745.60

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Solution

The fourth proportional to 269,745.60, 378,196.80 and 269,745.60 is: 378,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,745.60 : 378,196.80 = 269,745.60 : x
  2. Step 2: Convert to fraction form
    269,745.60/378,196.80 = 269,745.60/x
  3. Step 3: Cross multiply
    269,745.60x = 378,196.80 × 269,745.60
  4. Step 4: Simplify right side
    269,745.60x = 102,016,922,734.08
  5. Step 5: Solve for x
    x = 102,016,922,734.08/269,745.60
  6. Step 6: Final answer
    x = 378,196.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.