Home / 422,922.12-583,640.04-231,933.84

Finding the Fourth Proportional to 422,922.12, 583,640.04 and 231,933.84

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Solution

The fourth proportional to 422,922.12, 583,640.04 and 231,933.84 is: 320,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,922.12 : 583,640.04 = 231,933.84 : x
  2. Step 2: Convert to fraction form
    422,922.12/583,640.04 = 231,933.84/x
  3. Step 3: Cross multiply
    422,922.12x = 583,640.04 × 231,933.84
  4. Step 4: Simplify right side
    422,922.12x = 135,365,875,654.95
  5. Step 5: Solve for x
    x = 135,365,875,654.95/422,922.12
  6. Step 6: Final answer
    x = 320,072.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.