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Finding the Fourth Proportional to 376,526, 519,651.96 and 217,550

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Solution

The fourth proportional to 376,526, 519,651.96 and 217,550 is: 300,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,526 : 519,651.96 = 217,550 : x
  2. Step 2: Convert to fraction form
    376,526/519,651.96 = 217,550/x
  3. Step 3: Cross multiply
    376,526x = 519,651.96 × 217,550
  4. Step 4: Simplify right side
    376,526x = 113,050,283,898
  5. Step 5: Solve for x
    x = 113,050,283,898/376,526
  6. Step 6: Final answer
    x = 300,245.62

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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.