Home / 422,180.76-582,589.35-231,195.18

Finding the Fourth Proportional to 422,180.76, 582,589.35 and 231,195.18

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Solution

The fourth proportional to 422,180.76, 582,589.35 and 231,195.18 is: 319,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,180.76 : 582,589.35 = 231,195.18 : x
  2. Step 2: Convert to fraction form
    422,180.76/582,589.35 = 231,195.18/x
  3. Step 3: Cross multiply
    422,180.76x = 582,589.35 × 231,195.18
  4. Step 4: Simplify right side
    422,180.76x = 134,691,849,639.33
  5. Step 5: Solve for x
    x = 134,691,849,639.33/422,180.76
  6. Step 6: Final answer
    x = 319,038.34

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Double scale
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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.