Home / 269,967.09-405,366.80-228,393.43

Finding the Fourth Proportional to 269,967.09, 405,366.80 and 228,393.43

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Solution

The fourth proportional to 269,967.09, 405,366.80 and 228,393.43 is: 342,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,967.09 : 405,366.80 = 228,393.43 : x
  2. Step 2: Convert to fraction form
    269,967.09/405,366.80 = 228,393.43/x
  3. Step 3: Cross multiply
    269,967.09x = 405,366.80 × 228,393.43
  4. Step 4: Simplify right side
    269,967.09x = 92,583,113,860.12
  5. Step 5: Solve for x
    x = 92,583,113,860.12/269,967.09
  6. Step 6: Final answer
    x = 342,942.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.