Home / 667,431.99-1,001,137.38-161,997.15

Finding the Fourth Proportional to 667,431.99, 1,001,137.38 and 161,997.15

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Solution

The fourth proportional to 667,431.99, 1,001,137.38 and 161,997.15 is: 242,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,431.99 : 1,001,137.38 = 161,997.15 : x
  2. Step 2: Convert to fraction form
    667,431.99/1,001,137.38 = 161,997.15/x
  3. Step 3: Cross multiply
    667,431.99x = 1,001,137.38 × 161,997.15
  4. Step 4: Simplify right side
    667,431.99x = 162,181,402,318.47
  5. Step 5: Solve for x
    x = 162,181,402,318.47/667,431.99
  6. Step 6: Final answer
    x = 242,993.15

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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.