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Finding the Fourth Proportional to 375,350.36, 517,983.74 and 203,269.66

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Solution

The fourth proportional to 375,350.36, 517,983.74 and 203,269.66 is: 280,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,350.36 : 517,983.74 = 203,269.66 : x
  2. Step 2: Convert to fraction form
    375,350.36/517,983.74 = 203,269.66/x
  3. Step 3: Cross multiply
    375,350.36x = 517,983.74 × 203,269.66
  4. Step 4: Simplify right side
    375,350.36x = 105,290,378,715.33
  5. Step 5: Solve for x
    x = 105,290,378,715.33/375,350.36
  6. Step 6: Final answer
    x = 280,512.26

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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.