Home / 330,136.44-495,139.05-161,584.35

Finding the Fourth Proportional to 330,136.44, 495,139.05 and 161,584.35

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Solution

The fourth proportional to 330,136.44, 495,139.05 and 161,584.35 is: 242,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,136.44 : 495,139.05 = 161,584.35 : x
  2. Step 2: Convert to fraction form
    330,136.44/495,139.05 = 161,584.35/x
  3. Step 3: Cross multiply
    330,136.44x = 495,139.05 × 161,584.35
  4. Step 4: Simplify right side
    330,136.44x = 80,006,721,553.87
  5. Step 5: Solve for x
    x = 80,006,721,553.87/330,136.44
  6. Step 6: Final answer
    x = 242,344.41

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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.