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Finding the Fourth Proportional to 375,254.53, 517,850.57 and 203,172.48

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Solution

The fourth proportional to 375,254.53, 517,850.57 and 203,172.48 is: 280,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,254.53 : 517,850.57 = 203,172.48 : x
  2. Step 2: Convert to fraction form
    375,254.53/517,850.57 = 203,172.48/x
  3. Step 3: Cross multiply
    375,254.53x = 517,850.57 × 203,172.48
  4. Step 4: Simplify right side
    375,254.53x = 105,212,984,576.31
  5. Step 5: Solve for x
    x = 105,212,984,576.31/375,254.53
  6. Step 6: Final answer
    x = 280,377.65

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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.