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Finding the Fourth Proportional to 501,940.88, 752,800.60 and 146,982.57

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Solution

The fourth proportional to 501,940.88, 752,800.60 and 146,982.57 is: 220,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,940.88 : 752,800.60 = 146,982.57 : x
  2. Step 2: Convert to fraction form
    501,940.88/752,800.60 = 146,982.57/x
  3. Step 3: Cross multiply
    501,940.88x = 752,800.60 × 146,982.57
  4. Step 4: Simplify right side
    501,940.88x = 110,648,569,977.94
  5. Step 5: Solve for x
    x = 110,648,569,977.94/501,940.88
  6. Step 6: Final answer
    x = 220,441.44

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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.