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Finding the Fourth Proportional to 298,826.49, 412,784.42 and 238,817.73

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Solution

The fourth proportional to 298,826.49, 412,784.42 and 238,817.73 is: 329,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,826.49 : 412,784.42 = 238,817.73 : x
  2. Step 2: Convert to fraction form
    298,826.49/412,784.42 = 238,817.73/x
  3. Step 3: Cross multiply
    298,826.49x = 412,784.42 × 238,817.73
  4. Step 4: Simplify right side
    298,826.49x = 98,580,236,969.68
  5. Step 5: Solve for x
    x = 98,580,236,969.68/298,826.49
  6. Step 6: Final answer
    x = 329,891.23

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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.