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Finding the Fourth Proportional to 269,871.93, 404,737.23 and 80,281.25

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Solution

The fourth proportional to 269,871.93, 404,737.23 and 80,281.25 is: 120,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,871.93 : 404,737.23 = 80,281.25 : x
  2. Step 2: Convert to fraction form
    269,871.93/404,737.23 = 80,281.25/x
  3. Step 3: Cross multiply
    269,871.93x = 404,737.23 × 80,281.25
  4. Step 4: Simplify right side
    269,871.93x = 32,492,810,745.94
  5. Step 5: Solve for x
    x = 32,492,810,745.94/269,871.93
  6. Step 6: Final answer
    x = 120,400.85

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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.