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Finding the Fourth Proportional to 366,546.36, 506,142.18 and 275,744.64

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Solution

The fourth proportional to 366,546.36, 506,142.18 and 275,744.64 is: 380,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,546.36 : 506,142.18 = 275,744.64 : x
  2. Step 2: Convert to fraction form
    366,546.36/506,142.18 = 275,744.64/x
  3. Step 3: Cross multiply
    366,546.36x = 506,142.18 × 275,744.64
  4. Step 4: Simplify right side
    366,546.36x = 139,565,993,212.92
  5. Step 5: Solve for x
    x = 139,565,993,212.92/366,546.36
  6. Step 6: Final answer
    x = 380,759.46

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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.