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Finding the Fourth Proportional to 450,981.41, 675,884.60 and 251,293.73

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Solution

The fourth proportional to 450,981.41, 675,884.60 and 251,293.73 is: 376,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,981.41 : 675,884.60 = 251,293.73 : x
  2. Step 2: Convert to fraction form
    450,981.41/675,884.60 = 251,293.73/x
  3. Step 3: Cross multiply
    450,981.41x = 675,884.60 × 251,293.73
  4. Step 4: Simplify right side
    450,981.41x = 169,845,560,927.09
  5. Step 5: Solve for x
    x = 169,845,560,927.09/450,981.41
  6. Step 6: Final answer
    x = 376,613.22

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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.