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Finding the Fourth Proportional to 444,964.86, 667,682.64 and 242,707.05

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Solution

The fourth proportional to 444,964.86, 667,682.64 and 242,707.05 is: 364,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,964.86 : 667,682.64 = 242,707.05 : x
  2. Step 2: Convert to fraction form
    444,964.86/667,682.64 = 242,707.05/x
  3. Step 3: Cross multiply
    444,964.86x = 667,682.64 × 242,707.05
  4. Step 4: Simplify right side
    444,964.86x = 162,051,283,890.61
  5. Step 5: Solve for x
    x = 162,051,283,890.61/444,964.86
  6. Step 6: Final answer
    x = 364,188.95

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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.