Home / 321,271.56-443,366.19-193,922.28

Finding the Fourth Proportional to 321,271.56, 443,366.19 and 193,922.28

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Solution

The fourth proportional to 321,271.56, 443,366.19 and 193,922.28 is: 267,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,271.56 : 443,366.19 = 193,922.28 : x
  2. Step 2: Convert to fraction form
    321,271.56/443,366.19 = 193,922.28/x
  3. Step 3: Cross multiply
    321,271.56x = 443,366.19 × 193,922.28
  4. Step 4: Simplify right side
    321,271.56x = 85,978,582,439.71
  5. Step 5: Solve for x
    x = 85,978,582,439.71/321,271.56
  6. Step 6: Final answer
    x = 267,619.65

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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.