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Finding the Fourth Proportional to 269,808.40, 404,712.60 and 225,849.70

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Solution

The fourth proportional to 269,808.40, 404,712.60 and 225,849.70 is: 338,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,808.40 : 404,712.60 = 225,849.70 : x
  2. Step 2: Convert to fraction form
    269,808.40/404,712.60 = 225,849.70/x
  3. Step 3: Cross multiply
    269,808.40x = 404,712.60 × 225,849.70
  4. Step 4: Simplify right side
    269,808.40x = 91,404,219,296.22
  5. Step 5: Solve for x
    x = 91,404,219,296.22/269,808.40
  6. Step 6: Final answer
    x = 338,774.55

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1.5x scale

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.