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Finding the Fourth Proportional to 422,450.04, 582,980.94 and 231,470.68

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Solution

The fourth proportional to 422,450.04, 582,980.94 and 231,470.68 is: 319,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,450.04 : 582,980.94 = 231,470.68 : x
  2. Step 2: Convert to fraction form
    422,450.04/582,980.94 = 231,470.68/x
  3. Step 3: Cross multiply
    422,450.04x = 582,980.94 × 231,470.68
  4. Step 4: Simplify right side
    422,450.04x = 134,942,994,608.84
  5. Step 5: Solve for x
    x = 134,942,994,608.84/422,450.04
  6. Step 6: Final answer
    x = 319,429.48

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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.