Home / 331,945.26-458,082.30-188,705.34

Finding the Fourth Proportional to 331,945.26, 458,082.30 and 188,705.34

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Solution

The fourth proportional to 331,945.26, 458,082.30 and 188,705.34 is: 260,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,945.26 : 458,082.30 = 188,705.34 : x
  2. Step 2: Convert to fraction form
    331,945.26/458,082.30 = 188,705.34/x
  3. Step 3: Cross multiply
    331,945.26x = 458,082.30 × 188,705.34
  4. Step 4: Simplify right side
    331,945.26x = 86,442,576,169.48
  5. Step 5: Solve for x
    x = 86,442,576,169.48/331,945.26
  6. Step 6: Final answer
    x = 260,412.14

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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.