Home / 667,382.56-1,001,065.40-161,947.69

Finding the Fourth Proportional to 667,382.56, 1,001,065.40 and 161,947.69

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Solution

The fourth proportional to 667,382.56, 1,001,065.40 and 161,947.69 is: 242,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,382.56 : 1,001,065.40 = 161,947.69 : x
  2. Step 2: Convert to fraction form
    667,382.56/1,001,065.40 = 161,947.69/x
  3. Step 3: Cross multiply
    667,382.56x = 1,001,065.40 × 161,947.69
  4. Step 4: Simplify right side
    667,382.56x = 162,120,226,363.83
  5. Step 5: Solve for x
    x = 162,120,226,363.83/667,382.56
  6. Step 6: Final answer
    x = 242,919.48

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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.