Home / 281,835.69-388,932.84-154,519.44

Finding the Fourth Proportional to 281,835.69, 388,932.84 and 154,519.44

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Solution

The fourth proportional to 281,835.69, 388,932.84 and 154,519.44 is: 213,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,835.69 : 388,932.84 = 154,519.44 : x
  2. Step 2: Convert to fraction form
    281,835.69/388,932.84 = 154,519.44/x
  3. Step 3: Cross multiply
    281,835.69x = 388,932.84 × 154,519.44
  4. Step 4: Simplify right side
    281,835.69x = 60,097,684,634.41
  5. Step 5: Solve for x
    x = 60,097,684,634.41/281,835.69
  6. Step 6: Final answer
    x = 213,236.60

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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.