Home / 263,072.40-394,414.20-144,877.20

Finding the Fourth Proportional to 263,072.40, 394,414.20 and 144,877.20

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Solution

The fourth proportional to 263,072.40, 394,414.20 and 144,877.20 is: 217,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,072.40 : 394,414.20 = 144,877.20 : x
  2. Step 2: Convert to fraction form
    263,072.40/394,414.20 = 144,877.20/x
  3. Step 3: Cross multiply
    263,072.40x = 394,414.20 × 144,877.20
  4. Step 4: Simplify right side
    263,072.40x = 57,141,624,936.24
  5. Step 5: Solve for x
    x = 57,141,624,936.24/263,072.40
  6. Step 6: Final answer
    x = 217,208.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.