Home / 269,266.38-403,456.68-213,465.12

Finding the Fourth Proportional to 269,266.38, 403,456.68 and 213,465.12

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Solution

The fourth proportional to 269,266.38, 403,456.68 and 213,465.12 is: 319,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,266.38 : 403,456.68 = 213,465.12 : x
  2. Step 2: Convert to fraction form
    269,266.38/403,456.68 = 213,465.12/x
  3. Step 3: Cross multiply
    269,266.38x = 403,456.68 × 213,465.12
  4. Step 4: Simplify right side
    269,266.38x = 86,123,928,611.00
  5. Step 5: Solve for x
    x = 86,123,928,611.00/269,266.38
  6. Step 6: Final answer
    x = 319,846.57

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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.