Home / 281,736.50-388,738.91-166,964.56

Finding the Fourth Proportional to 281,736.50, 388,738.91 and 166,964.56

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Solution

The fourth proportional to 281,736.50, 388,738.91 and 166,964.56 is: 230,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,736.50 : 388,738.91 = 166,964.56 : x
  2. Step 2: Convert to fraction form
    281,736.50/388,738.91 = 166,964.56/x
  3. Step 3: Cross multiply
    281,736.50x = 388,738.91 × 166,964.56
  4. Step 4: Simplify right side
    281,736.50x = 64,905,620,508.59
  5. Step 5: Solve for x
    x = 64,905,620,508.59/281,736.50
  6. Step 6: Final answer
    x = 230,377.04

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1.5x scale

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.