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Finding the Fourth Proportional to 243,474.36, 365,229.92 and 72,682.60

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Solution

The fourth proportional to 243,474.36, 365,229.92 and 72,682.60 is: 109,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,474.36 : 365,229.92 = 72,682.60 : x
  2. Step 2: Convert to fraction form
    243,474.36/365,229.92 = 72,682.60/x
  3. Step 3: Cross multiply
    243,474.36x = 365,229.92 × 72,682.60
  4. Step 4: Simplify right side
    243,474.36x = 26,545,860,183.39
  5. Step 5: Solve for x
    x = 26,545,860,183.39/243,474.36
  6. Step 6: Final answer
    x = 109,029.39

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1.5x scale

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.