Home / 422,327.13-582,811.65-231,341.28

Finding the Fourth Proportional to 422,327.13, 582,811.65 and 231,341.28

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Solution

The fourth proportional to 422,327.13, 582,811.65 and 231,341.28 is: 319,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,327.13 : 582,811.65 = 231,341.28 : x
  2. Step 2: Convert to fraction form
    422,327.13/582,811.65 = 231,341.28/x
  3. Step 3: Cross multiply
    422,327.13x = 582,811.65 × 231,341.28
  4. Step 4: Simplify right side
    422,327.13x = 134,828,393,109.91
  5. Step 5: Solve for x
    x = 134,828,393,109.91/422,327.13
  6. Step 6: Final answer
    x = 319,251.08

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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.