Home / 269,559.29-371,990.78-148,708.10

Finding the Fourth Proportional to 269,559.29, 371,990.78 and 148,708.10

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Solution

The fourth proportional to 269,559.29, 371,990.78 and 148,708.10 is: 205,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,559.29 : 371,990.78 = 148,708.10 : x
  2. Step 2: Convert to fraction form
    269,559.29/371,990.78 = 148,708.10/x
  3. Step 3: Cross multiply
    269,559.29x = 371,990.78 × 148,708.10
  4. Step 4: Simplify right side
    269,559.29x = 55,318,042,855.41
  5. Step 5: Solve for x
    x = 55,318,042,855.41/269,559.29
  6. Step 6: Final answer
    x = 205,216.61

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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.