Home / 248,716.68-342,442.04-225,987.64

Finding the Fourth Proportional to 248,716.68, 342,442.04 and 225,987.64

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Solution

The fourth proportional to 248,716.68, 342,442.04 and 225,987.64 is: 311,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.68 : 342,442.04 = 225,987.64 : x
  2. Step 2: Convert to fraction form
    248,716.68/342,442.04 = 225,987.64/x
  3. Step 3: Cross multiply
    248,716.68x = 342,442.04 × 225,987.64
  4. Step 4: Simplify right side
    248,716.68x = 77,387,668,456.39
  5. Step 5: Solve for x
    x = 77,387,668,456.39/248,716.68
  6. Step 6: Final answer
    x = 311,147.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.