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Finding the Fourth Proportional to 225,744.76, 338,613.69 and 54,968.07

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Solution

The fourth proportional to 225,744.76, 338,613.69 and 54,968.07 is: 82,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,744.76 : 338,613.69 = 54,968.07 : x
  2. Step 2: Convert to fraction form
    225,744.76/338,613.69 = 54,968.07/x
  3. Step 3: Cross multiply
    225,744.76x = 338,613.69 × 54,968.07
  4. Step 4: Simplify right side
    225,744.76x = 18,612,941,014.88
  5. Step 5: Solve for x
    x = 18,612,941,014.88/225,744.76
  6. Step 6: Final answer
    x = 82,451.27

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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.