Home / 270,137.28-372,779.42-149,276.06

Finding the Fourth Proportional to 270,137.28, 372,779.42 and 149,276.06

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Solution

The fourth proportional to 270,137.28, 372,779.42 and 149,276.06 is: 205,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,137.28 : 372,779.42 = 149,276.06 : x
  2. Step 2: Convert to fraction form
    270,137.28/372,779.42 = 149,276.06/x
  3. Step 3: Cross multiply
    270,137.28x = 372,779.42 × 149,276.06
  4. Step 4: Simplify right side
    270,137.28x = 55,647,040,456.41
  5. Step 5: Solve for x
    x = 55,647,040,456.41/270,137.28
  6. Step 6: Final answer
    x = 205,995.41

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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.