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Finding the Fourth Proportional to 328,296, 453,048.48 and 177,393

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Solution

The fourth proportional to 328,296, 453,048.48 and 177,393 is: 244,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,296 : 453,048.48 = 177,393 : x
  2. Step 2: Convert to fraction form
    328,296/453,048.48 = 177,393/x
  3. Step 3: Cross multiply
    328,296x = 453,048.48 × 177,393
  4. Step 4: Simplify right side
    328,296x = 80,367,629,012.64
  5. Step 5: Solve for x
    x = 80,367,629,012.64/328,296
  6. Step 6: Final answer
    x = 244,802.34

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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.