Home / 381,077.48-525,849.03-219,984.44

Finding the Fourth Proportional to 381,077.48, 525,849.03 and 219,984.44

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Solution

The fourth proportional to 381,077.48, 525,849.03 and 219,984.44 is: 303,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,077.48 : 525,849.03 = 219,984.44 : x
  2. Step 2: Convert to fraction form
    381,077.48/525,849.03 = 219,984.44/x
  3. Step 3: Cross multiply
    381,077.48x = 525,849.03 × 219,984.44
  4. Step 4: Simplify right side
    381,077.48x = 115,678,601,759.85
  5. Step 5: Solve for x
    x = 115,678,601,759.85/381,077.48
  6. Step 6: Final answer
    x = 303,556.64

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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.