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Finding the Fourth Proportional to 441,092.34, 661,642.50 and 125,549.10

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Solution

The fourth proportional to 441,092.34, 661,642.50 and 125,549.10 is: 188,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,092.34 : 661,642.50 = 125,549.10 : x
  2. Step 2: Convert to fraction form
    441,092.34/661,642.50 = 125,549.10/x
  3. Step 3: Cross multiply
    441,092.34x = 661,642.50 × 125,549.10
  4. Step 4: Simplify right side
    441,092.34x = 83,068,620,396.75
  5. Step 5: Solve for x
    x = 83,068,620,396.75/441,092.34
  6. Step 6: Final answer
    x = 188,324.79

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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.