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Finding the Fourth Proportional to 375,235.46, 517,819.80 and 205,469.60

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Solution

The fourth proportional to 375,235.46, 517,819.80 and 205,469.60 is: 283,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,235.46 : 517,819.80 = 205,469.60 : x
  2. Step 2: Convert to fraction form
    375,235.46/517,819.80 = 205,469.60/x
  3. Step 3: Cross multiply
    375,235.46x = 517,819.80 × 205,469.60
  4. Step 4: Simplify right side
    375,235.46x = 106,396,227,178.08
  5. Step 5: Solve for x
    x = 106,396,227,178.08/375,235.46
  6. Step 6: Final answer
    x = 283,545.24

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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.