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Finding the Fourth Proportional to 366,285.38, 505,551.93 and 215,468.42

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Solution

The fourth proportional to 366,285.38, 505,551.93 and 215,468.42 is: 297,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,285.38 : 505,551.93 = 215,468.42 : x
  2. Step 2: Convert to fraction form
    366,285.38/505,551.93 = 215,468.42/x
  3. Step 3: Cross multiply
    366,285.38x = 505,551.93 × 215,468.42
  4. Step 4: Simplify right side
    366,285.38x = 108,930,475,585.05
  5. Step 5: Solve for x
    x = 108,930,475,585.05/366,285.38
  6. Step 6: Final answer
    x = 297,392.37

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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.