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Finding the Fourth Proportional to 399,822.73, 599,217.41 and 299,193.39

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Solution

The fourth proportional to 399,822.73, 599,217.41 and 299,193.39 is: 448,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,822.73 : 599,217.41 = 299,193.39 : x
  2. Step 2: Convert to fraction form
    399,822.73/599,217.41 = 299,193.39/x
  3. Step 3: Cross multiply
    399,822.73x = 599,217.41 × 299,193.39
  4. Step 4: Simplify right side
    399,822.73x = 179,281,886,748.95
  5. Step 5: Solve for x
    x = 179,281,886,748.95/399,822.73
  6. Step 6: Final answer
    x = 448,403.44

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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.