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Finding the Fourth Proportional to 548,793.63, 823,165.74 and 228,813.66

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Solution

The fourth proportional to 548,793.63, 823,165.74 and 228,813.66 is: 343,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,793.63 : 823,165.74 = 228,813.66 : x
  2. Step 2: Convert to fraction form
    548,793.63/823,165.74 = 228,813.66/x
  3. Step 3: Cross multiply
    548,793.63x = 823,165.74 × 228,813.66
  4. Step 4: Simplify right side
    548,793.63x = 188,351,565,756.01
  5. Step 5: Solve for x
    x = 188,351,565,756.01/548,793.63
  6. Step 6: Final answer
    x = 343,210.19

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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.