Home / 306,179.03-422,733.25-273,813.23

Finding the Fourth Proportional to 306,179.03, 422,733.25 and 273,813.23

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Solution

The fourth proportional to 306,179.03, 422,733.25 and 273,813.23 is: 378,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,179.03 : 422,733.25 = 273,813.23 : x
  2. Step 2: Convert to fraction form
    306,179.03/422,733.25 = 273,813.23/x
  3. Step 3: Cross multiply
    306,179.03x = 422,733.25 × 273,813.23
  4. Step 4: Simplify right side
    306,179.03x = 115,749,958,010.00
  5. Step 5: Solve for x
    x = 115,749,958,010.00/306,179.03
  6. Step 6: Final answer
    x = 378,046.65

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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.