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Finding the Fourth Proportional to 392,600.18, 541,804.53 and 222,850.10

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Solution

The fourth proportional to 392,600.18, 541,804.53 and 222,850.10 is: 307,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,600.18 : 541,804.53 = 222,850.10 : x
  2. Step 2: Convert to fraction form
    392,600.18/541,804.53 = 222,850.10/x
  3. Step 3: Cross multiply
    392,600.18x = 541,804.53 × 222,850.10
  4. Step 4: Simplify right side
    392,600.18x = 120,741,193,690.95
  5. Step 5: Solve for x
    x = 120,741,193,690.95/392,600.18
  6. Step 6: Final answer
    x = 307,542.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.