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Finding the Fourth Proportional to 479,269.85, 661,388.69 and 264,418.97

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Solution

The fourth proportional to 479,269.85, 661,388.69 and 264,418.97 is: 364,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,269.85 : 661,388.69 = 264,418.97 : x
  2. Step 2: Convert to fraction form
    479,269.85/661,388.69 = 264,418.97/x
  3. Step 3: Cross multiply
    479,269.85x = 661,388.69 × 264,418.97
  4. Step 4: Simplify right side
    479,269.85x = 174,883,713,533.55
  5. Step 5: Solve for x
    x = 174,883,713,533.55/479,269.85
  6. Step 6: Final answer
    x = 364,896.13

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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.