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Finding the Fourth Proportional to 347,290.82, 520,936.24 and 228,934.49

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Solution

The fourth proportional to 347,290.82, 520,936.24 and 228,934.49 is: 343,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,290.82 : 520,936.24 = 228,934.49 : x
  2. Step 2: Convert to fraction form
    347,290.82/520,936.24 = 228,934.49/x
  3. Step 3: Cross multiply
    347,290.82x = 520,936.24 × 228,934.49
  4. Step 4: Simplify right side
    347,290.82x = 119,260,269,035.27
  5. Step 5: Solve for x
    x = 119,260,269,035.27/347,290.82
  6. Step 6: Final answer
    x = 343,401.73

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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.