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Finding the Fourth Proportional to 366,427.52, 505,555.20 and 205,260.80

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Solution

The fourth proportional to 366,427.52, 505,555.20 and 205,260.80 is: 283,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,427.52 : 505,555.20 = 205,260.80 : x
  2. Step 2: Convert to fraction form
    366,427.52/505,555.20 = 205,260.80/x
  3. Step 3: Cross multiply
    366,427.52x = 505,555.20 × 205,260.80
  4. Step 4: Simplify right side
    366,427.52x = 103,770,664,796.16
  5. Step 5: Solve for x
    x = 103,770,664,796.16/366,427.52
  6. Step 6: Final answer
    x = 283,195.61

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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.