Home / 205,979.32-308,974.38-65,737.84

Finding the Fourth Proportional to 205,979.32, 308,974.38 and 65,737.84

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Solution

The fourth proportional to 205,979.32, 308,974.38 and 65,737.84 is: 98,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,979.32 : 308,974.38 = 65,737.84 : x
  2. Step 2: Convert to fraction form
    205,979.32/308,974.38 = 65,737.84/x
  3. Step 3: Cross multiply
    205,979.32x = 308,974.38 × 65,737.84
  4. Step 4: Simplify right side
    205,979.32x = 20,311,308,356.54
  5. Step 5: Solve for x
    x = 20,311,308,356.54/205,979.32
  6. Step 6: Final answer
    x = 98,608.48

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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.