Home / 205,753.85-308,464.68-189,146.30

Finding the Fourth Proportional to 205,753.85, 308,464.68 and 189,146.30

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Solution

The fourth proportional to 205,753.85, 308,464.68 and 189,146.30 is: 283,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,753.85 : 308,464.68 = 189,146.30 : x
  2. Step 2: Convert to fraction form
    205,753.85/308,464.68 = 189,146.30/x
  3. Step 3: Cross multiply
    205,753.85x = 308,464.68 × 189,146.30
  4. Step 4: Simplify right side
    205,753.85x = 58,344,952,902.68
  5. Step 5: Solve for x
    x = 58,344,952,902.68/205,753.85
  6. Step 6: Final answer
    x = 283,566.76

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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.