Home / 445,327.47-667,981.44-108,370.35

Finding the Fourth Proportional to 445,327.47, 667,981.44 and 108,370.35

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Solution

The fourth proportional to 445,327.47, 667,981.44 and 108,370.35 is: 162,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,327.47 : 667,981.44 = 108,370.35 : x
  2. Step 2: Convert to fraction form
    445,327.47/667,981.44 = 108,370.35/x
  3. Step 3: Cross multiply
    445,327.47x = 667,981.44 × 108,370.35
  4. Step 4: Simplify right side
    445,327.47x = 72,389,382,446.30
  5. Step 5: Solve for x
    x = 72,389,382,446.30/445,327.47
  6. Step 6: Final answer
    x = 162,553.15

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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.