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Finding the Fourth Proportional to 337,540.60, 505,922.10 and 137,762.20

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Solution

The fourth proportional to 337,540.60, 505,922.10 and 137,762.20 is: 206,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,540.60 : 505,922.10 = 137,762.20 : x
  2. Step 2: Convert to fraction form
    337,540.60/505,922.10 = 137,762.20/x
  3. Step 3: Cross multiply
    337,540.60x = 505,922.10 × 137,762.20
  4. Step 4: Simplify right side
    337,540.60x = 69,696,941,524.62
  5. Step 5: Solve for x
    x = 69,696,941,524.62/337,540.60
  6. Step 6: Final answer
    x = 206,484.62

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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.