Home / 272,450.78-375,976.18-157,734.26

Finding the Fourth Proportional to 272,450.78, 375,976.18 and 157,734.26

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Solution

The fourth proportional to 272,450.78, 375,976.18 and 157,734.26 is: 217,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,450.78 : 375,976.18 = 157,734.26 : x
  2. Step 2: Convert to fraction form
    272,450.78/375,976.18 = 157,734.26/x
  3. Step 3: Cross multiply
    272,450.78x = 375,976.18 × 157,734.26
  4. Step 4: Simplify right side
    272,450.78x = 59,304,324,529.93
  5. Step 5: Solve for x
    x = 59,304,324,529.93/272,450.78
  6. Step 6: Final answer
    x = 217,669.87

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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.