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Finding the Fourth Proportional to 521,753.82, 782,592.45 and 166,672.50

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Solution

The fourth proportional to 521,753.82, 782,592.45 and 166,672.50 is: 249,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,753.82 : 782,592.45 = 166,672.50 : x
  2. Step 2: Convert to fraction form
    521,753.82/782,592.45 = 166,672.50/x
  3. Step 3: Cross multiply
    521,753.82x = 782,592.45 × 166,672.50
  4. Step 4: Simplify right side
    521,753.82x = 130,436,640,122.63
  5. Step 5: Solve for x
    x = 130,436,640,122.63/521,753.82
  6. Step 6: Final answer
    x = 249,996.52

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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.