Home / 311,723.92-430,153.14-175,791.52

Finding the Fourth Proportional to 311,723.92, 430,153.14 and 175,791.52

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Solution

The fourth proportional to 311,723.92, 430,153.14 and 175,791.52 is: 242,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,723.92 : 430,153.14 = 175,791.52 : x
  2. Step 2: Convert to fraction form
    311,723.92/430,153.14 = 175,791.52/x
  3. Step 3: Cross multiply
    311,723.92x = 430,153.14 × 175,791.52
  4. Step 4: Simplify right side
    311,723.92x = 75,617,274,313.37
  5. Step 5: Solve for x
    x = 75,617,274,313.37/311,723.92
  6. Step 6: Final answer
    x = 242,577.71

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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.