Home / 327,722.35-491,650.95-138,183.28

Finding the Fourth Proportional to 327,722.35, 491,650.95 and 138,183.28

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Solution

The fourth proportional to 327,722.35, 491,650.95 and 138,183.28 is: 207,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,722.35 : 491,650.95 = 138,183.28 : x
  2. Step 2: Convert to fraction form
    327,722.35/491,650.95 = 138,183.28/x
  3. Step 3: Cross multiply
    327,722.35x = 491,650.95 × 138,183.28
  4. Step 4: Simplify right side
    327,722.35x = 67,937,940,886.12
  5. Step 5: Solve for x
    x = 67,937,940,886.12/327,722.35
  6. Step 6: Final answer
    x = 207,303.35

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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.