Home / 269,675.20-403,882.08-213,135.85

Finding the Fourth Proportional to 269,675.20, 403,882.08 and 213,135.85

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Solution

The fourth proportional to 269,675.20, 403,882.08 and 213,135.85 is: 319,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,675.20 : 403,882.08 = 213,135.85 : x
  2. Step 2: Convert to fraction form
    269,675.20/403,882.08 = 213,135.85/x
  3. Step 3: Cross multiply
    269,675.20x = 403,882.08 × 213,135.85
  4. Step 4: Simplify right side
    269,675.20x = 86,081,750,420.57
  5. Step 5: Solve for x
    x = 86,081,750,420.57/269,675.20
  6. Step 6: Final answer
    x = 319,205.29

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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.