Home / 422,060.40-582,458.01-231,075.09

Finding the Fourth Proportional to 422,060.40, 582,458.01 and 231,075.09

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Solution

The fourth proportional to 422,060.40, 582,458.01 and 231,075.09 is: 318,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,060.40 : 582,458.01 = 231,075.09 : x
  2. Step 2: Convert to fraction form
    422,060.40/582,458.01 = 231,075.09/x
  3. Step 3: Cross multiply
    422,060.40x = 582,458.01 × 231,075.09
  4. Step 4: Simplify right side
    422,060.40x = 134,591,537,081.97
  5. Step 5: Solve for x
    x = 134,591,537,081.97/422,060.40
  6. Step 6: Final answer
    x = 318,891.65

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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.