Home / 279,845.37-385,795.28-236,651.31

Finding the Fourth Proportional to 279,845.37, 385,795.28 and 236,651.31

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Solution

The fourth proportional to 279,845.37, 385,795.28 and 236,651.31 is: 326,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,845.37 : 385,795.28 = 236,651.31 : x
  2. Step 2: Convert to fraction form
    279,845.37/385,795.28 = 236,651.31/x
  3. Step 3: Cross multiply
    279,845.37x = 385,795.28 × 236,651.31
  4. Step 4: Simplify right side
    279,845.37x = 91,298,957,220.56
  5. Step 5: Solve for x
    x = 91,298,957,220.56/279,845.37
  6. Step 6: Final answer
    x = 326,247.87

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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.