Home / 394,384.10-591,576.15-269,968.10

Finding the Fourth Proportional to 394,384.10, 591,576.15 and 269,968.10

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Solution

The fourth proportional to 394,384.10, 591,576.15 and 269,968.10 is: 404,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,384.10 : 591,576.15 = 269,968.10 : x
  2. Step 2: Convert to fraction form
    394,384.10/591,576.15 = 269,968.10/x
  3. Step 3: Cross multiply
    394,384.10x = 591,576.15 × 269,968.10
  4. Step 4: Simplify right side
    394,384.10x = 159,706,689,220.82
  5. Step 5: Solve for x
    x = 159,706,689,220.82/394,384.10
  6. Step 6: Final answer
    x = 404,952.15

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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.