Home / 281,763.44-388,836.24-154,441.52

Finding the Fourth Proportional to 281,763.44, 388,836.24 and 154,441.52

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Solution

The fourth proportional to 281,763.44, 388,836.24 and 154,441.52 is: 213,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,763.44 : 388,836.24 = 154,441.52 : x
  2. Step 2: Convert to fraction form
    281,763.44/388,836.24 = 154,441.52/x
  3. Step 3: Cross multiply
    281,763.44x = 388,836.24 × 154,441.52
  4. Step 4: Simplify right side
    281,763.44x = 60,052,459,936.68
  5. Step 5: Solve for x
    x = 60,052,459,936.68/281,763.44
  6. Step 6: Final answer
    x = 213,130.77

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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.