Home / 515,399.22-773,171.76-160,449.12

Finding the Fourth Proportional to 515,399.22, 773,171.76 and 160,449.12

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Solution

The fourth proportional to 515,399.22, 773,171.76 and 160,449.12 is: 240,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,399.22 : 773,171.76 = 160,449.12 : x
  2. Step 2: Convert to fraction form
    515,399.22/773,171.76 = 160,449.12/x
  3. Step 3: Cross multiply
    515,399.22x = 773,171.76 × 160,449.12
  4. Step 4: Simplify right side
    515,399.22x = 124,054,728,500.85
  5. Step 5: Solve for x
    x = 124,054,728,500.85/515,399.22
  6. Step 6: Final answer
    x = 240,696.38

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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.