Home / 205,344.20-308,016.30-116,870.60

Finding the Fourth Proportional to 205,344.20, 308,016.30 and 116,870.60

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Solution

The fourth proportional to 205,344.20, 308,016.30 and 116,870.60 is: 175,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,344.20 : 308,016.30 = 116,870.60 : x
  2. Step 2: Convert to fraction form
    205,344.20/308,016.30 = 116,870.60/x
  3. Step 3: Cross multiply
    205,344.20x = 308,016.30 × 116,870.60
  4. Step 4: Simplify right side
    205,344.20x = 35,998,049,790.78
  5. Step 5: Solve for x
    x = 35,998,049,790.78/205,344.20
  6. Step 6: Final answer
    x = 175,305.90

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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.