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Finding the Fourth Proportional to 339,380.61, 508,295.88 and 162,012.21

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Solution

The fourth proportional to 339,380.61, 508,295.88 and 162,012.21 is: 242,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,380.61 : 508,295.88 = 162,012.21 : x
  2. Step 2: Convert to fraction form
    339,380.61/508,295.88 = 162,012.21/x
  3. Step 3: Cross multiply
    339,380.61x = 508,295.88 × 162,012.21
  4. Step 4: Simplify right side
    339,380.61x = 82,350,138,852.69
  5. Step 5: Solve for x
    x = 82,350,138,852.69/339,380.61
  6. Step 6: Final answer
    x = 242,648.33

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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.