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Finding the Fourth Proportional to 444,881.59, 613,997.67 and 272,769.11

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Solution

The fourth proportional to 444,881.59, 613,997.67 and 272,769.11 is: 376,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,881.59 : 613,997.67 = 272,769.11 : x
  2. Step 2: Convert to fraction form
    444,881.59/613,997.67 = 272,769.11/x
  3. Step 3: Cross multiply
    444,881.59x = 613,997.67 × 272,769.11
  4. Step 4: Simplify right side
    444,881.59x = 167,479,597,987.97
  5. Step 5: Solve for x
    x = 167,479,597,987.97/444,881.59
  6. Step 6: Final answer
    x = 376,458.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.