Home / 217,892.82-326,858.08-60,121.28

Finding the Fourth Proportional to 217,892.82, 326,858.08 and 60,121.28

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Solution

The fourth proportional to 217,892.82, 326,858.08 and 60,121.28 is: 90,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,892.82 : 326,858.08 = 60,121.28 : x
  2. Step 2: Convert to fraction form
    217,892.82/326,858.08 = 60,121.28/x
  3. Step 3: Cross multiply
    217,892.82x = 326,858.08 × 60,121.28
  4. Step 4: Simplify right side
    217,892.82x = 19,651,126,147.94
  5. Step 5: Solve for x
    x = 19,651,126,147.94/217,892.82
  6. Step 6: Final answer
    x = 90,187.12

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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.