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Finding the Fourth Proportional to 375,045.80, 517,562.34 and 205,278.44

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Solution

The fourth proportional to 375,045.80, 517,562.34 and 205,278.44 is: 283,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,045.80 : 517,562.34 = 205,278.44 : x
  2. Step 2: Convert to fraction form
    375,045.80/517,562.34 = 205,278.44/x
  3. Step 3: Cross multiply
    375,045.80x = 517,562.34 × 205,278.44
  4. Step 4: Simplify right side
    375,045.80x = 106,244,389,757.95
  5. Step 5: Solve for x
    x = 106,244,389,757.95/375,045.80
  6. Step 6: Final answer
    x = 283,283.77

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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.