Home / 204,979.80-306,951.30-163,507.80

Finding the Fourth Proportional to 204,979.80, 306,951.30 and 163,507.80

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Solution

The fourth proportional to 204,979.80, 306,951.30 and 163,507.80 is: 244,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,979.80 : 306,951.30 = 163,507.80 : x
  2. Step 2: Convert to fraction form
    204,979.80/306,951.30 = 163,507.80/x
  3. Step 3: Cross multiply
    204,979.80x = 306,951.30 × 163,507.80
  4. Step 4: Simplify right side
    204,979.80x = 50,188,931,770.14
  5. Step 5: Solve for x
    x = 50,188,931,770.14/204,979.80
  6. Step 6: Final answer
    x = 244,848.18

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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.