Home / 399,367.40-551,249.06-246,452.36

Finding the Fourth Proportional to 399,367.40, 551,249.06 and 246,452.36

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Solution

The fourth proportional to 399,367.40, 551,249.06 and 246,452.36 is: 340,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,367.40 : 551,249.06 = 246,452.36 : x
  2. Step 2: Convert to fraction form
    399,367.40/551,249.06 = 246,452.36/x
  3. Step 3: Cross multiply
    399,367.40x = 551,249.06 × 246,452.36
  4. Step 4: Simplify right side
    399,367.40x = 135,856,631,784.78
  5. Step 5: Solve for x
    x = 135,856,631,784.78/399,367.40
  6. Step 6: Final answer
    x = 340,179.57

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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.