Home / 204,080.20-306,120.30-181,529.80

Finding the Fourth Proportional to 204,080.20, 306,120.30 and 181,529.80

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Solution

The fourth proportional to 204,080.20, 306,120.30 and 181,529.80 is: 272,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,080.20 : 306,120.30 = 181,529.80 : x
  2. Step 2: Convert to fraction form
    204,080.20/306,120.30 = 181,529.80/x
  3. Step 3: Cross multiply
    204,080.20x = 306,120.30 × 181,529.80
  4. Step 4: Simplify right side
    204,080.20x = 55,569,956,834.94
  5. Step 5: Solve for x
    x = 55,569,956,834.94/204,080.20
  6. Step 6: Final answer
    x = 272,294.70

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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.