Home / 485,201.82-669,583.08-267,418.31

Finding the Fourth Proportional to 485,201.82, 669,583.08 and 267,418.31

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Solution

The fourth proportional to 485,201.82, 669,583.08 and 267,418.31 is: 369,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,201.82 : 669,583.08 = 267,418.31 : x
  2. Step 2: Convert to fraction form
    485,201.82/669,583.08 = 267,418.31/x
  3. Step 3: Cross multiply
    485,201.82x = 669,583.08 × 267,418.31
  4. Step 4: Simplify right side
    485,201.82x = 179,058,776,828.80
  5. Step 5: Solve for x
    x = 179,058,776,828.80/485,201.82
  6. Step 6: Final answer
    x = 369,039.79

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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.