Home / 331,965.72-458,151.42-188,747.22

Finding the Fourth Proportional to 331,965.72, 458,151.42 and 188,747.22

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Solution

The fourth proportional to 331,965.72, 458,151.42 and 188,747.22 is: 260,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,965.72 : 458,151.42 = 188,747.22 : x
  2. Step 2: Convert to fraction form
    331,965.72/458,151.42 = 188,747.22/x
  3. Step 3: Cross multiply
    331,965.72x = 458,151.42 × 188,747.22
  4. Step 4: Simplify right side
    331,965.72x = 86,474,806,864.05
  5. Step 5: Solve for x
    x = 86,474,806,864.05/331,965.72
  6. Step 6: Final answer
    x = 260,493.18

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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.