Home / 422,292.76-582,764.16-231,309.34

Finding the Fourth Proportional to 422,292.76, 582,764.16 and 231,309.34

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Solution

The fourth proportional to 422,292.76, 582,764.16 and 231,309.34 is: 319,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,292.76 : 582,764.16 = 231,309.34 : x
  2. Step 2: Convert to fraction form
    422,292.76/582,764.16 = 231,309.34/x
  3. Step 3: Cross multiply
    422,292.76x = 582,764.16 × 231,309.34
  4. Step 4: Simplify right side
    422,292.76x = 134,798,793,225.25
  5. Step 5: Solve for x
    x = 134,798,793,225.25/422,292.76
  6. Step 6: Final answer
    x = 319,206.97

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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.