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Finding the Fourth Proportional to 206,777.41, 310,165.20 and 73,662.62

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Solution

The fourth proportional to 206,777.41, 310,165.20 and 73,662.62 is: 110,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,777.41 : 310,165.20 = 73,662.62 : x
  2. Step 2: Convert to fraction form
    206,777.41/310,165.20 = 73,662.62/x
  3. Step 3: Cross multiply
    206,777.41x = 310,165.20 × 73,662.62
  4. Step 4: Simplify right side
    206,777.41x = 22,847,579,714.00
  5. Step 5: Solve for x
    x = 22,847,579,714.00/206,777.41
  6. Step 6: Final answer
    x = 110,493.60

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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.