Home / 465,091.07-641,748.42-274,078.49

Finding the Fourth Proportional to 465,091.07, 641,748.42 and 274,078.49

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Solution

The fourth proportional to 465,091.07, 641,748.42 and 274,078.49 is: 378,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,091.07 : 641,748.42 = 274,078.49 : x
  2. Step 2: Convert to fraction form
    465,091.07/641,748.42 = 274,078.49/x
  3. Step 3: Cross multiply
    465,091.07x = 641,748.42 × 274,078.49
  4. Step 4: Simplify right side
    465,091.07x = 175,889,434,704.74
  5. Step 5: Solve for x
    x = 175,889,434,704.74/465,091.07
  6. Step 6: Final answer
    x = 378,182.79

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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.