Home / 327,447.44-491,171.27-147,322.47

Finding the Fourth Proportional to 327,447.44, 491,171.27 and 147,322.47

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Solution

The fourth proportional to 327,447.44, 491,171.27 and 147,322.47 is: 220,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,447.44 : 491,171.27 = 147,322.47 : x
  2. Step 2: Convert to fraction form
    327,447.44/491,171.27 = 147,322.47/x
  3. Step 3: Cross multiply
    327,447.44x = 491,171.27 × 147,322.47
  4. Step 4: Simplify right side
    327,447.44x = 72,360,564,827.64
  5. Step 5: Solve for x
    x = 72,360,564,827.64/327,447.44
  6. Step 6: Final answer
    x = 220,983.76

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1.5x scale

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.