Home / 399,592.26-551,448.18-238,540.82

Finding the Fourth Proportional to 399,592.26, 551,448.18 and 238,540.82

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Solution

The fourth proportional to 399,592.26, 551,448.18 and 238,540.82 is: 329,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,592.26 : 551,448.18 = 238,540.82 : x
  2. Step 2: Convert to fraction form
    399,592.26/551,448.18 = 238,540.82/x
  3. Step 3: Cross multiply
    399,592.26x = 551,448.18 × 238,540.82
  4. Step 4: Simplify right side
    399,592.26x = 131,542,898,287.47
  5. Step 5: Solve for x
    x = 131,542,898,287.47/399,592.26
  6. Step 6: Final answer
    x = 329,192.81

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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.