Home / 445,146.21-667,750.14-178,906.95

Finding the Fourth Proportional to 445,146.21, 667,750.14 and 178,906.95

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Solution

The fourth proportional to 445,146.21, 667,750.14 and 178,906.95 is: 268,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,146.21 : 667,750.14 = 178,906.95 : x
  2. Step 2: Convert to fraction form
    445,146.21/667,750.14 = 178,906.95/x
  3. Step 3: Cross multiply
    445,146.21x = 667,750.14 × 178,906.95
  4. Step 4: Simplify right side
    445,146.21x = 119,465,140,909.47
  5. Step 5: Solve for x
    x = 119,465,140,909.47/445,146.21
  6. Step 6: Final answer
    x = 268,372.81

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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.