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Finding the Fourth Proportional to 269,815.71, 404,653.07 and 80,225.03

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Solution

The fourth proportional to 269,815.71, 404,653.07 and 80,225.03 is: 120,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,815.71 : 404,653.07 = 80,225.03 : x
  2. Step 2: Convert to fraction form
    269,815.71/404,653.07 = 80,225.03/x
  3. Step 3: Cross multiply
    269,815.71x = 404,653.07 × 80,225.03
  4. Step 4: Simplify right side
    269,815.71x = 32,463,302,255.95
  5. Step 5: Solve for x
    x = 32,463,302,255.95/269,815.71
  6. Step 6: Final answer
    x = 120,316.58

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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.