Home / 331,205.68-457,123.67-195,231.79

Finding the Fourth Proportional to 331,205.68, 457,123.67 and 195,231.79

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Solution

The fourth proportional to 331,205.68, 457,123.67 and 195,231.79 is: 269,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,205.68 : 457,123.67 = 195,231.79 : x
  2. Step 2: Convert to fraction form
    331,205.68/457,123.67 = 195,231.79/x
  3. Step 3: Cross multiply
    331,205.68x = 457,123.67 × 195,231.79
  4. Step 4: Simplify right side
    331,205.68x = 89,245,072,345.47
  5. Step 5: Solve for x
    x = 89,245,072,345.47/331,205.68
  6. Step 6: Final answer
    x = 269,455.14

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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.