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Finding the Fourth Proportional to 262,951.80, 394,494.02 and 73,412

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Solution

The fourth proportional to 262,951.80, 394,494.02 and 73,412 is: 110,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,951.80 : 394,494.02 = 73,412 : x
  2. Step 2: Convert to fraction form
    262,951.80/394,494.02 = 73,412/x
  3. Step 3: Cross multiply
    262,951.80x = 394,494.02 × 73,412
  4. Step 4: Simplify right side
    262,951.80x = 28,960,594,996.24
  5. Step 5: Solve for x
    x = 28,960,594,996.24/262,951.80
  6. Step 6: Final answer
    x = 110,136.52

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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.