Home / 330,922.41-495,947.40-131,133.81

Finding the Fourth Proportional to 330,922.41, 495,947.40 and 131,133.81

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Solution

The fourth proportional to 330,922.41, 495,947.40 and 131,133.81 is: 196,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,922.41 : 495,947.40 = 131,133.81 : x
  2. Step 2: Convert to fraction form
    330,922.41/495,947.40 = 131,133.81/x
  3. Step 3: Cross multiply
    330,922.41x = 495,947.40 × 131,133.81
  4. Step 4: Simplify right side
    330,922.41x = 65,035,472,121.59
  5. Step 5: Solve for x
    x = 65,035,472,121.59/330,922.41
  6. Step 6: Final answer
    x = 196,527.86

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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.