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Finding the Fourth Proportional to 479,524.11, 661,696.16 and 264,650.30

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Solution

The fourth proportional to 479,524.11, 661,696.16 and 264,650.30 is: 365,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,524.11 : 661,696.16 = 264,650.30 : x
  2. Step 2: Convert to fraction form
    479,524.11/661,696.16 = 264,650.30/x
  3. Step 3: Cross multiply
    479,524.11x = 661,696.16 × 264,650.30
  4. Step 4: Simplify right side
    479,524.11x = 175,118,085,102.48
  5. Step 5: Solve for x
    x = 175,118,085,102.48/479,524.11
  6. Step 6: Final answer
    x = 365,191.41

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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.