Home / 399,762.08-551,739.92-238,625.44

Finding the Fourth Proportional to 399,762.08, 551,739.92 and 238,625.44

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Solution

The fourth proportional to 399,762.08, 551,739.92 and 238,625.44 is: 329,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,762.08 : 551,739.92 = 238,625.44 : x
  2. Step 2: Convert to fraction form
    399,762.08/551,739.92 = 238,625.44/x
  3. Step 3: Cross multiply
    399,762.08x = 551,739.92 × 238,625.44
  4. Step 4: Simplify right side
    399,762.08x = 131,659,181,175.57
  5. Step 5: Solve for x
    x = 131,659,181,175.57/399,762.08
  6. Step 6: Final answer
    x = 329,343.85

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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.