Home / 445,130.96-667,727.04-178,891.70

Finding the Fourth Proportional to 445,130.96, 667,727.04 and 178,891.70

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Solution

The fourth proportional to 445,130.96, 667,727.04 and 178,891.70 is: 268,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,130.96 : 667,727.04 = 178,891.70 : x
  2. Step 2: Convert to fraction form
    445,130.96/667,727.04 = 178,891.70/x
  3. Step 3: Cross multiply
    445,130.96x = 667,727.04 × 178,891.70
  4. Step 4: Simplify right side
    445,130.96x = 119,450,825,321.57
  5. Step 5: Solve for x
    x = 119,450,825,321.57/445,130.96
  6. Step 6: Final answer
    x = 268,349.85

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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.