Home / 267,723.27-401,455.62-155,431.76

Finding the Fourth Proportional to 267,723.27, 401,455.62 and 155,431.76

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Solution

The fourth proportional to 267,723.27, 401,455.62 and 155,431.76 is: 233,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,723.27 : 401,455.62 = 155,431.76 : x
  2. Step 2: Convert to fraction form
    267,723.27/401,455.62 = 155,431.76/x
  3. Step 3: Cross multiply
    267,723.27x = 401,455.62 × 155,431.76
  4. Step 4: Simplify right side
    267,723.27x = 62,398,951,571.21
  5. Step 5: Solve for x
    x = 62,398,951,571.21/267,723.27
  6. Step 6: Final answer
    x = 233,072.57

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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.