Home / 200,222.76-276,320.24-115,338.36

Finding the Fourth Proportional to 200,222.76, 276,320.24 and 115,338.36

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Solution

The fourth proportional to 200,222.76, 276,320.24 and 115,338.36 is: 159,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,222.76 : 276,320.24 = 115,338.36 : x
  2. Step 2: Convert to fraction form
    200,222.76/276,320.24 = 115,338.36/x
  3. Step 3: Cross multiply
    200,222.76x = 276,320.24 × 115,338.36
  4. Step 4: Simplify right side
    200,222.76x = 31,870,324,857.21
  5. Step 5: Solve for x
    x = 31,870,324,857.21/200,222.76
  6. Step 6: Final answer
    x = 159,174.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.