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Finding the Fourth Proportional to 655,192.80, 983,025.72 and 228,791.49

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Solution

The fourth proportional to 655,192.80, 983,025.72 and 228,791.49 is: 343,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,192.80 : 983,025.72 = 228,791.49 : x
  2. Step 2: Convert to fraction form
    655,192.80/983,025.72 = 228,791.49/x
  3. Step 3: Cross multiply
    655,192.80x = 983,025.72 × 228,791.49
  4. Step 4: Simplify right side
    655,192.80x = 224,907,915,500.78
  5. Step 5: Solve for x
    x = 224,907,915,500.78/655,192.80
  6. Step 6: Final answer
    x = 343,269.82

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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.