Home / 327,927.80-491,909.30-103,305.81

Finding the Fourth Proportional to 327,927.80, 491,909.30 and 103,305.81

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Solution

The fourth proportional to 327,927.80, 491,909.30 and 103,305.81 is: 154,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,927.80 : 491,909.30 = 103,305.81 : x
  2. Step 2: Convert to fraction form
    327,927.80/491,909.30 = 103,305.81/x
  3. Step 3: Cross multiply
    327,927.80x = 491,909.30 × 103,305.81
  4. Step 4: Simplify right side
    327,927.80x = 50,817,088,166.50
  5. Step 5: Solve for x
    x = 50,817,088,166.50/327,927.80
  6. Step 6: Final answer
    x = 154,964.26

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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.