Home / 217,091.16-325,243.05-212,367.24

Finding the Fourth Proportional to 217,091.16, 325,243.05 and 212,367.24

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Solution

The fourth proportional to 217,091.16, 325,243.05 and 212,367.24 is: 318,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,091.16 : 325,243.05 = 212,367.24 : x
  2. Step 2: Convert to fraction form
    217,091.16/325,243.05 = 212,367.24/x
  3. Step 3: Cross multiply
    217,091.16x = 325,243.05 × 212,367.24
  4. Step 4: Simplify right side
    217,091.16x = 69,070,968,857.68
  5. Step 5: Solve for x
    x = 69,070,968,857.68/217,091.16
  6. Step 6: Final answer
    x = 318,165.74

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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.