Home / 263,487.30-363,822.06-243,336.78

Finding the Fourth Proportional to 263,487.30, 363,822.06 and 243,336.78

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Solution

The fourth proportional to 263,487.30, 363,822.06 and 243,336.78 is: 335,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,487.30 : 363,822.06 = 243,336.78 : x
  2. Step 2: Convert to fraction form
    263,487.30/363,822.06 = 243,336.78/x
  3. Step 3: Cross multiply
    263,487.30x = 363,822.06 × 243,336.78
  4. Step 4: Simplify right side
    263,487.30x = 88,531,288,573.37
  5. Step 5: Solve for x
    x = 88,531,288,573.37/263,487.30
  6. Step 6: Final answer
    x = 335,998.31

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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.