Home / 217,786.05-326,720.39-75,625.79

Finding the Fourth Proportional to 217,786.05, 326,720.39 and 75,625.79

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Solution

The fourth proportional to 217,786.05, 326,720.39 and 75,625.79 is: 113,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,786.05 : 326,720.39 = 75,625.79 : x
  2. Step 2: Convert to fraction form
    217,786.05/326,720.39 = 75,625.79/x
  3. Step 3: Cross multiply
    217,786.05x = 326,720.39 × 75,625.79
  4. Step 4: Simplify right side
    217,786.05x = 24,708,487,602.86
  5. Step 5: Solve for x
    x = 24,708,487,602.86/217,786.05
  6. Step 6: Final answer
    x = 113,453.03

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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.