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Finding the Fourth Proportional to 366,450.72, 505,693.20 and 205,310.88

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Solution

The fourth proportional to 366,450.72, 505,693.20 and 205,310.88 is: 283,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,450.72 : 505,693.20 = 205,310.88 : x
  2. Step 2: Convert to fraction form
    366,450.72/505,693.20 = 205,310.88/x
  3. Step 3: Cross multiply
    366,450.72x = 505,693.20 × 205,310.88
  4. Step 4: Simplify right side
    366,450.72x = 103,824,315,902.02
  5. Step 5: Solve for x
    x = 103,824,315,902.02/366,450.72
  6. Step 6: Final answer
    x = 283,324.09

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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.