Home / 254,819.08-382,230.92-77,326.09

Finding the Fourth Proportional to 254,819.08, 382,230.92 and 77,326.09

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Solution

The fourth proportional to 254,819.08, 382,230.92 and 77,326.09 is: 115,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,819.08 : 382,230.92 = 77,326.09 : x
  2. Step 2: Convert to fraction form
    254,819.08/382,230.92 = 77,326.09/x
  3. Step 3: Cross multiply
    254,819.08x = 382,230.92 × 77,326.09
  4. Step 4: Simplify right side
    254,819.08x = 29,556,421,758.44
  5. Step 5: Solve for x
    x = 29,556,421,758.44/254,819.08
  6. Step 6: Final answer
    x = 115,989.83

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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.