Home / 392,685.36-541,749.94-227,082.72

Finding the Fourth Proportional to 392,685.36, 541,749.94 and 227,082.72

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Solution

The fourth proportional to 392,685.36, 541,749.94 and 227,082.72 is: 313,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,685.36 : 541,749.94 = 227,082.72 : x
  2. Step 2: Convert to fraction form
    392,685.36/541,749.94 = 227,082.72/x
  3. Step 3: Cross multiply
    392,685.36x = 541,749.94 × 227,082.72
  4. Step 4: Simplify right side
    392,685.36x = 123,022,049,935.04
  5. Step 5: Solve for x
    x = 123,022,049,935.04/392,685.36
  6. Step 6: Final answer
    x = 313,284.02

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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.