Home / 269,271.78-403,893.05-82,283.28

Finding the Fourth Proportional to 269,271.78, 403,893.05 and 82,283.28

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Solution

The fourth proportional to 269,271.78, 403,893.05 and 82,283.28 is: 123,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,271.78 : 403,893.05 = 82,283.28 : x
  2. Step 2: Convert to fraction form
    269,271.78/403,893.05 = 82,283.28/x
  3. Step 3: Cross multiply
    269,271.78x = 403,893.05 × 82,283.28
  4. Step 4: Simplify right side
    269,271.78x = 33,233,644,511.79
  5. Step 5: Solve for x
    x = 33,233,644,511.79/269,271.78
  6. Step 6: Final answer
    x = 123,420.45

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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.