Home / 217,078.82-325,588.67-57,141.36

Finding the Fourth Proportional to 217,078.82, 325,588.67 and 57,141.36

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Solution

The fourth proportional to 217,078.82, 325,588.67 and 57,141.36 is: 85,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,078.82 : 325,588.67 = 57,141.36 : x
  2. Step 2: Convert to fraction form
    217,078.82/325,588.67 = 57,141.36/x
  3. Step 3: Cross multiply
    217,078.82x = 325,588.67 × 57,141.36
  4. Step 4: Simplify right side
    217,078.82x = 18,604,579,332.96
  5. Step 5: Solve for x
    x = 18,604,579,332.96/217,078.82
  6. Step 6: Final answer
    x = 85,704.26

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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.