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Finding the Fourth Proportional to 269,234.36, 371,545.95 and 148,380

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Solution

The fourth proportional to 269,234.36, 371,545.95 and 148,380 is: 204,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,234.36 : 371,545.95 = 148,380 : x
  2. Step 2: Convert to fraction form
    269,234.36/371,545.95 = 148,380/x
  3. Step 3: Cross multiply
    269,234.36x = 371,545.95 × 148,380
  4. Step 4: Simplify right side
    269,234.36x = 55,129,988,061
  5. Step 5: Solve for x
    x = 55,129,988,061/269,234.36
  6. Step 6: Final answer
    x = 204,765.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.