Home / 327,928.30-491,910.05-103,306.31

Finding the Fourth Proportional to 327,928.30, 491,910.05 and 103,306.31

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Solution

The fourth proportional to 327,928.30, 491,910.05 and 103,306.31 is: 154,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,928.30 : 491,910.05 = 103,306.31 : x
  2. Step 2: Convert to fraction form
    327,928.30/491,910.05 = 103,306.31/x
  3. Step 3: Cross multiply
    327,928.30x = 491,910.05 × 103,306.31
  4. Step 4: Simplify right side
    327,928.30x = 50,817,412,117.42
  5. Step 5: Solve for x
    x = 50,817,412,117.42/327,928.30
  6. Step 6: Final answer
    x = 154,965.01

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1.5x scale

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.