Home / 257,979.39-385,967.93-226,150.04

Finding the Fourth Proportional to 257,979.39, 385,967.93 and 226,150.04

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Solution

The fourth proportional to 257,979.39, 385,967.93 and 226,150.04 is: 338,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,979.39 : 385,967.93 = 226,150.04 : x
  2. Step 2: Convert to fraction form
    257,979.39/385,967.93 = 226,150.04/x
  3. Step 3: Cross multiply
    257,979.39x = 385,967.93 × 226,150.04
  4. Step 4: Simplify right side
    257,979.39x = 87,286,659,747.63
  5. Step 5: Solve for x
    x = 87,286,659,747.63/257,979.39
  6. Step 6: Final answer
    x = 338,347.42

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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.