Home / 667,384.07-1,001,067.65-161,949.20

Finding the Fourth Proportional to 667,384.07, 1,001,067.65 and 161,949.20

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Solution

The fourth proportional to 667,384.07, 1,001,067.65 and 161,949.20 is: 242,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,384.07 : 1,001,067.65 = 161,949.20 : x
  2. Step 2: Convert to fraction form
    667,384.07/1,001,067.65 = 161,949.20/x
  3. Step 3: Cross multiply
    667,384.07x = 1,001,067.65 × 161,949.20
  4. Step 4: Simplify right side
    667,384.07x = 162,122,099,248.30
  5. Step 5: Solve for x
    x = 162,122,099,248.30/667,384.07
  6. Step 6: Final answer
    x = 242,921.74

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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.