Home / 330,833.03-495,958.34-131,293.58

Finding the Fourth Proportional to 330,833.03, 495,958.34 and 131,293.58

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Solution

The fourth proportional to 330,833.03, 495,958.34 and 131,293.58 is: 196,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,833.03 : 495,958.34 = 131,293.58 : x
  2. Step 2: Convert to fraction form
    330,833.03/495,958.34 = 131,293.58/x
  3. Step 3: Cross multiply
    330,833.03x = 495,958.34 × 131,293.58
  4. Step 4: Simplify right side
    330,833.03x = 65,116,143,837.90
  5. Step 5: Solve for x
    x = 65,116,143,837.90/330,833.03
  6. Step 6: Final answer
    x = 196,824.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.