Home / 281,824.24-388,912.44-154,500.88

Finding the Fourth Proportional to 281,824.24, 388,912.44 and 154,500.88

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Solution

The fourth proportional to 281,824.24, 388,912.44 and 154,500.88 is: 213,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,824.24 : 388,912.44 = 154,500.88 : x
  2. Step 2: Convert to fraction form
    281,824.24/388,912.44 = 154,500.88/x
  3. Step 3: Cross multiply
    281,824.24x = 388,912.44 × 154,500.88
  4. Step 4: Simplify right side
    281,824.24x = 60,087,314,222.95
  5. Step 5: Solve for x
    x = 60,087,314,222.95/281,824.24
  6. Step 6: Final answer
    x = 213,208.47

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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.