Home / 269,243.57-371,539.43-148,378.11

Finding the Fourth Proportional to 269,243.57, 371,539.43 and 148,378.11

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Solution

The fourth proportional to 269,243.57, 371,539.43 and 148,378.11 is: 204,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,243.57 : 371,539.43 = 148,378.11 : x
  2. Step 2: Convert to fraction form
    269,243.57/371,539.43 = 148,378.11/x
  3. Step 3: Cross multiply
    269,243.57x = 371,539.43 × 148,378.11
  4. Step 4: Simplify right side
    269,243.57x = 55,128,318,413.88
  5. Step 5: Solve for x
    x = 55,128,318,413.88/269,243.57
  6. Step 6: Final answer
    x = 204,752.59

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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.