Home / 269,032.80-403,548.12-82,043.76

Finding the Fourth Proportional to 269,032.80, 403,548.12 and 82,043.76

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Solution

The fourth proportional to 269,032.80, 403,548.12 and 82,043.76 is: 123,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,032.80 : 403,548.12 = 82,043.76 : x
  2. Step 2: Convert to fraction form
    269,032.80/403,548.12 = 82,043.76/x
  3. Step 3: Cross multiply
    269,032.80x = 403,548.12 × 82,043.76
  4. Step 4: Simplify right side
    269,032.80x = 33,108,605,105.73
  5. Step 5: Solve for x
    x = 33,108,605,105.73/269,032.80
  6. Step 6: Final answer
    x = 123,065.31

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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.