Home / 231,476.24-319,446.30-135,982.10

Finding the Fourth Proportional to 231,476.24, 319,446.30 and 135,982.10

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Solution

The fourth proportional to 231,476.24, 319,446.30 and 135,982.10 is: 187,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,476.24 : 319,446.30 = 135,982.10 : x
  2. Step 2: Convert to fraction form
    231,476.24/319,446.30 = 135,982.10/x
  3. Step 3: Cross multiply
    231,476.24x = 319,446.30 × 135,982.10
  4. Step 4: Simplify right side
    231,476.24x = 43,438,977,114.00
  5. Step 5: Solve for x
    x = 43,438,977,114.00/231,476.24
  6. Step 6: Final answer
    x = 187,660.63

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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.