Home / 269,438.27-371,824.83-154,724.45

Finding the Fourth Proportional to 269,438.27, 371,824.83 and 154,724.45

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Solution

The fourth proportional to 269,438.27, 371,824.83 and 154,724.45 is: 213,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,438.27 : 371,824.83 = 154,724.45 : x
  2. Step 2: Convert to fraction form
    269,438.27/371,824.83 = 154,724.45/x
  3. Step 3: Cross multiply
    269,438.27x = 371,824.83 × 154,724.45
  4. Step 4: Simplify right side
    269,438.27x = 57,530,390,458.97
  5. Step 5: Solve for x
    x = 57,530,390,458.97/269,438.27
  6. Step 6: Final answer
    x = 213,519.75

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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.