Home / 667,987.22-1,001,982.89-162,548.30

Finding the Fourth Proportional to 667,987.22, 1,001,982.89 and 162,548.30

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Solution

The fourth proportional to 667,987.22, 1,001,982.89 and 162,548.30 is: 243,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,987.22 : 1,001,982.89 = 162,548.30 : x
  2. Step 2: Convert to fraction form
    667,987.22/1,001,982.89 = 162,548.30/x
  3. Step 3: Cross multiply
    667,987.22x = 1,001,982.89 × 162,548.30
  4. Step 4: Simplify right side
    667,987.22x = 162,870,618,309.92
  5. Step 5: Solve for x
    x = 162,870,618,309.92/667,987.22
  6. Step 6: Final answer
    x = 243,822.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.