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Finding the Fourth Proportional to 447,054.56, 616,922.96 and 245,850.56

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Solution

The fourth proportional to 447,054.56, 616,922.96 and 245,850.56 is: 339,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,054.56 : 616,922.96 = 245,850.56 : x
  2. Step 2: Convert to fraction form
    447,054.56/616,922.96 = 245,850.56/x
  3. Step 3: Cross multiply
    447,054.56x = 616,922.96 × 245,850.56
  4. Step 4: Simplify right side
    447,054.56x = 151,670,855,192.86
  5. Step 5: Solve for x
    x = 151,670,855,192.86/447,054.56
  6. Step 6: Final answer
    x = 339,266.99

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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.