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Finding the Fourth Proportional to 269,306.99, 404,019.61 and 79,782.19

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Solution

The fourth proportional to 269,306.99, 404,019.61 and 79,782.19 is: 119,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,306.99 : 404,019.61 = 79,782.19 : x
  2. Step 2: Convert to fraction form
    269,306.99/404,019.61 = 79,782.19/x
  3. Step 3: Cross multiply
    269,306.99x = 404,019.61 × 79,782.19
  4. Step 4: Simplify right side
    269,306.99x = 32,233,570,351.85
  5. Step 5: Solve for x
    x = 32,233,570,351.85/269,306.99
  6. Step 6: Final answer
    x = 119,690.81

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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.