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Finding the Fourth Proportional to 375,650.52, 518,396.64 and 203,573.22

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Solution

The fourth proportional to 375,650.52, 518,396.64 and 203,573.22 is: 280,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,650.52 : 518,396.64 = 203,573.22 : x
  2. Step 2: Convert to fraction form
    375,650.52/518,396.64 = 203,573.22/x
  3. Step 3: Cross multiply
    375,650.52x = 518,396.64 × 203,573.22
  4. Step 4: Simplify right side
    375,650.52x = 105,531,673,241.98
  5. Step 5: Solve for x
    x = 105,531,673,241.98/375,650.52
  6. Step 6: Final answer
    x = 280,930.46

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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.