Home / 225,694.10-311,557.04-157,976.95

Finding the Fourth Proportional to 225,694.10, 311,557.04 and 157,976.95

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Solution

The fourth proportional to 225,694.10, 311,557.04 and 157,976.95 is: 218,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,694.10 : 311,557.04 = 157,976.95 : x
  2. Step 2: Convert to fraction form
    225,694.10/311,557.04 = 157,976.95/x
  3. Step 3: Cross multiply
    225,694.10x = 311,557.04 × 157,976.95
  4. Step 4: Simplify right side
    225,694.10x = 49,218,830,930.23
  5. Step 5: Solve for x
    x = 49,218,830,930.23/225,694.10
  6. Step 6: Final answer
    x = 218,077.61

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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.