Home / 337,198.49-505,989.03-123,938.66

Finding the Fourth Proportional to 337,198.49, 505,989.03 and 123,938.66

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Solution

The fourth proportional to 337,198.49, 505,989.03 and 123,938.66 is: 185,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,198.49 : 505,989.03 = 123,938.66 : x
  2. Step 2: Convert to fraction form
    337,198.49/505,989.03 = 123,938.66/x
  3. Step 3: Cross multiply
    337,198.49x = 505,989.03 × 123,938.66
  4. Step 4: Simplify right side
    337,198.49x = 62,711,600,539.30
  5. Step 5: Solve for x
    x = 62,711,600,539.30/337,198.49
  6. Step 6: Final answer
    x = 185,978.29

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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.