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Finding the Fourth Proportional to 363,546.02, 501,563.66 and 210,500.68

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Solution

The fourth proportional to 363,546.02, 501,563.66 and 210,500.68 is: 290,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,546.02 : 501,563.66 = 210,500.68 : x
  2. Step 2: Convert to fraction form
    363,546.02/501,563.66 = 210,500.68/x
  3. Step 3: Cross multiply
    363,546.02x = 501,563.66 × 210,500.68
  4. Step 4: Simplify right side
    363,546.02x = 105,579,491,493.29
  5. Step 5: Solve for x
    x = 105,579,491,493.29/363,546.02
  6. Step 6: Final answer
    x = 290,415.75

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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.