Home / 777,103.06-1,165,720.22-216,137.56

Finding the Fourth Proportional to 777,103.06, 1,165,720.22 and 216,137.56

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Solution

The fourth proportional to 777,103.06, 1,165,720.22 and 216,137.56 is: 324,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,103.06 : 1,165,720.22 = 216,137.56 : x
  2. Step 2: Convert to fraction form
    777,103.06/1,165,720.22 = 216,137.56/x
  3. Step 3: Cross multiply
    777,103.06x = 1,165,720.22 × 216,137.56
  4. Step 4: Simplify right side
    777,103.06x = 251,955,923,993.46
  5. Step 5: Solve for x
    x = 251,955,923,993.46/777,103.06
  6. Step 6: Final answer
    x = 324,224.59

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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.