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Finding the Fourth Proportional to 505,229.19, 757,757.62 and 168,231.61

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Solution

The fourth proportional to 505,229.19, 757,757.62 and 168,231.61 is: 252,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,229.19 : 757,757.62 = 168,231.61 : x
  2. Step 2: Convert to fraction form
    505,229.19/757,757.62 = 168,231.61/x
  3. Step 3: Cross multiply
    505,229.19x = 757,757.62 × 168,231.61
  4. Step 4: Simplify right side
    505,229.19x = 127,478,784,402.37
  5. Step 5: Solve for x
    x = 127,478,784,402.37/505,229.19
  6. Step 6: Final answer
    x = 252,318.72

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1.5x scale

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.