Home / 254,819.52-382,230.18-77,328

Finding the Fourth Proportional to 254,819.52, 382,230.18 and 77,328

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Solution

The fourth proportional to 254,819.52, 382,230.18 and 77,328 is: 115,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,819.52 : 382,230.18 = 77,328 : x
  2. Step 2: Convert to fraction form
    254,819.52/382,230.18 = 77,328/x
  3. Step 3: Cross multiply
    254,819.52x = 382,230.18 × 77,328
  4. Step 4: Simplify right side
    254,819.52x = 29,557,095,359.04
  5. Step 5: Solve for x
    x = 29,557,095,359.04/254,819.52
  6. Step 6: Final answer
    x = 115,992.27

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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.