Home / 325,445.20-449,062.56-182,211.28

Finding the Fourth Proportional to 325,445.20, 449,062.56 and 182,211.28

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Solution

The fourth proportional to 325,445.20, 449,062.56 and 182,211.28 is: 251,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,445.20 : 449,062.56 = 182,211.28 : x
  2. Step 2: Convert to fraction form
    325,445.20/449,062.56 = 182,211.28/x
  3. Step 3: Cross multiply
    325,445.20x = 449,062.56 × 182,211.28
  4. Step 4: Simplify right side
    325,445.20x = 81,824,263,857.68
  5. Step 5: Solve for x
    x = 81,824,263,857.68/325,445.20
  6. Step 6: Final answer
    x = 251,422.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.