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Finding the Fourth Proportional to 376,850.98, 520,099.26 and 215,757.77

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Solution

The fourth proportional to 376,850.98, 520,099.26 and 215,757.77 is: 297,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,850.98 : 520,099.26 = 215,757.77 : x
  2. Step 2: Convert to fraction form
    376,850.98/520,099.26 = 215,757.77/x
  3. Step 3: Cross multiply
    376,850.98x = 520,099.26 × 215,757.77
  4. Step 4: Simplify right side
    376,850.98x = 112,215,456,516.25
  5. Step 5: Solve for x
    x = 112,215,456,516.25/376,850.98
  6. Step 6: Final answer
    x = 297,771.44

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1.5x scale

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.