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Finding the Fourth Proportional to 444,627.83, 667,047.86 and 145,108.98

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Solution

The fourth proportional to 444,627.83, 667,047.86 and 145,108.98 is: 217,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,627.83 : 667,047.86 = 145,108.98 : x
  2. Step 2: Convert to fraction form
    444,627.83/667,047.86 = 145,108.98/x
  3. Step 3: Cross multiply
    444,627.83x = 667,047.86 × 145,108.98
  4. Step 4: Simplify right side
    444,627.83x = 96,794,634,575.78
  5. Step 5: Solve for x
    x = 96,794,634,575.78/444,627.83
  6. Step 6: Final answer
    x = 217,698.10

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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.