Home / 657,212.27-985,940.03-208,046.21

Finding the Fourth Proportional to 657,212.27, 985,940.03 and 208,046.21

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Solution

The fourth proportional to 657,212.27, 985,940.03 and 208,046.21 is: 312,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,212.27 : 985,940.03 = 208,046.21 : x
  2. Step 2: Convert to fraction form
    657,212.27/985,940.03 = 208,046.21/x
  3. Step 3: Cross multiply
    657,212.27x = 985,940.03 × 208,046.21
  4. Step 4: Simplify right side
    657,212.27x = 205,121,082,119.20
  5. Step 5: Solve for x
    x = 205,121,082,119.20/657,212.27
  6. Step 6: Final answer
    x = 312,107.81

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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.