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Finding the Fourth Proportional to 239,892.33, 331,051.41 and 132,462.57

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Solution

The fourth proportional to 239,892.33, 331,051.41 and 132,462.57 is: 182,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892.33 : 331,051.41 = 132,462.57 : x
  2. Step 2: Convert to fraction form
    239,892.33/331,051.41 = 132,462.57/x
  3. Step 3: Cross multiply
    239,892.33x = 331,051.41 × 132,462.57
  4. Step 4: Simplify right side
    239,892.33x = 43,851,920,570.72
  5. Step 5: Solve for x
    x = 43,851,920,570.72/239,892.33
  6. Step 6: Final answer
    x = 182,798.34

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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.