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Finding the Fourth Proportional to 376,969.34, 520,217.64 and 207,203.46

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Solution

The fourth proportional to 376,969.34, 520,217.64 and 207,203.46 is: 285,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,969.34 : 520,217.64 = 207,203.46 : x
  2. Step 2: Convert to fraction form
    376,969.34/520,217.64 = 207,203.46/x
  3. Step 3: Cross multiply
    376,969.34x = 520,217.64 × 207,203.46
  4. Step 4: Simplify right side
    376,969.34x = 107,790,894,961.03
  5. Step 5: Solve for x
    x = 107,790,894,961.03/376,969.34
  6. Step 6: Final answer
    x = 285,940.75

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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.