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Finding the Fourth Proportional to 505,337.32, 758,178.78 and 225,049.96

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Solution

The fourth proportional to 505,337.32, 758,178.78 and 225,049.96 is: 337,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,337.32 : 758,178.78 = 225,049.96 : x
  2. Step 2: Convert to fraction form
    505,337.32/758,178.78 = 225,049.96/x
  3. Step 3: Cross multiply
    505,337.32x = 758,178.78 × 225,049.96
  4. Step 4: Simplify right side
    505,337.32x = 170,628,104,111.85
  5. Step 5: Solve for x
    x = 170,628,104,111.85/505,337.32
  6. Step 6: Final answer
    x = 337,651.90

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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.