Home / 217,115.41-325,682.25-59,343.43

Finding the Fourth Proportional to 217,115.41, 325,682.25 and 59,343.43

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Solution

The fourth proportional to 217,115.41, 325,682.25 and 59,343.43 is: 89,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,115.41 : 325,682.25 = 59,343.43 : x
  2. Step 2: Convert to fraction form
    217,115.41/325,682.25 = 59,343.43/x
  3. Step 3: Cross multiply
    217,115.41x = 325,682.25 × 59,343.43
  4. Step 4: Simplify right side
    217,115.41x = 19,327,101,805.12
  5. Step 5: Solve for x
    x = 19,327,101,805.12/217,115.41
  6. Step 6: Final answer
    x = 89,017.64

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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.