Home / 239,885.28-331,069.76-199,527.84

Finding the Fourth Proportional to 239,885.28, 331,069.76 and 199,527.84

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Solution

The fourth proportional to 239,885.28, 331,069.76 and 199,527.84 is: 275,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,885.28 : 331,069.76 = 199,527.84 : x
  2. Step 2: Convert to fraction form
    239,885.28/331,069.76 = 199,527.84/x
  3. Step 3: Cross multiply
    239,885.28x = 331,069.76 × 199,527.84
  4. Step 4: Simplify right side
    239,885.28x = 66,057,634,102.12
  5. Step 5: Solve for x
    x = 66,057,634,102.12/239,885.28
  6. Step 6: Final answer
    x = 275,371.77

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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.