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Finding the Fourth Proportional to 304,755, 457,044.24 and 91,514.30

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Solution

The fourth proportional to 304,755, 457,044.24 and 91,514.30 is: 137,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,755 : 457,044.24 = 91,514.30 : x
  2. Step 2: Convert to fraction form
    304,755/457,044.24 = 91,514.30/x
  3. Step 3: Cross multiply
    304,755x = 457,044.24 × 91,514.30
  4. Step 4: Simplify right side
    304,755x = 41,826,083,692.63
  5. Step 5: Solve for x
    x = 41,826,083,692.63/304,755
  6. Step 6: Final answer
    x = 137,244.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.