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Finding the Fourth Proportional to 485,608.10, 670,179.13 and 267,859.44

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Solution

The fourth proportional to 485,608.10, 670,179.13 and 267,859.44 is: 369,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,608.10 : 670,179.13 = 267,859.44 : x
  2. Step 2: Convert to fraction form
    485,608.10/670,179.13 = 267,859.44/x
  3. Step 3: Cross multiply
    485,608.10x = 670,179.13 × 267,859.44
  4. Step 4: Simplify right side
    485,608.10x = 179,513,805,791.84
  5. Step 5: Solve for x
    x = 179,513,805,791.84/485,608.10
  6. Step 6: Final answer
    x = 369,668.07

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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.