Home / 327,903.28-491,872.55-103,281.30

Finding the Fourth Proportional to 327,903.28, 491,872.55 and 103,281.30

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Solution

The fourth proportional to 327,903.28, 491,872.55 and 103,281.30 is: 154,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,903.28 : 491,872.55 = 103,281.30 : x
  2. Step 2: Convert to fraction form
    327,903.28/491,872.55 = 103,281.30/x
  3. Step 3: Cross multiply
    327,903.28x = 491,872.55 × 103,281.30
  4. Step 4: Simplify right side
    327,903.28x = 50,801,236,398.32
  5. Step 5: Solve for x
    x = 50,801,236,398.32/327,903.28
  6. Step 6: Final answer
    x = 154,927.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.