Home / 269,079.30-371,331.32-154,362.95

Finding the Fourth Proportional to 269,079.30, 371,331.32 and 154,362.95

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Solution

The fourth proportional to 269,079.30, 371,331.32 and 154,362.95 is: 213,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.30 : 371,331.32 = 154,362.95 : x
  2. Step 2: Convert to fraction form
    269,079.30/371,331.32 = 154,362.95/x
  3. Step 3: Cross multiply
    269,079.30x = 371,331.32 × 154,362.95
  4. Step 4: Simplify right side
    269,079.30x = 57,319,797,982.59
  5. Step 5: Solve for x
    x = 57,319,797,982.59/269,079.30
  6. Step 6: Final answer
    x = 213,021.95

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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.