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Finding the Fourth Proportional to 444,524.86, 666,808.77 and 145,004.86

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Solution

The fourth proportional to 444,524.86, 666,808.77 and 145,004.86 is: 217,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,524.86 : 666,808.77 = 145,004.86 : x
  2. Step 2: Convert to fraction form
    444,524.86/666,808.77 = 145,004.86/x
  3. Step 3: Cross multiply
    444,524.86x = 666,808.77 × 145,004.86
  4. Step 4: Simplify right side
    444,524.86x = 96,690,512,340.62
  5. Step 5: Solve for x
    x = 96,690,512,340.62/444,524.86
  6. Step 6: Final answer
    x = 217,514.30

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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.