Home / 445,484.63-667,931.77-161,137.76

Finding the Fourth Proportional to 445,484.63, 667,931.77 and 161,137.76

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Solution

The fourth proportional to 445,484.63, 667,931.77 and 161,137.76 is: 241,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,484.63 : 667,931.77 = 161,137.76 : x
  2. Step 2: Convert to fraction form
    445,484.63/667,931.77 = 161,137.76/x
  3. Step 3: Cross multiply
    445,484.63x = 667,931.77 × 161,137.76
  4. Step 4: Simplify right side
    445,484.63x = 107,629,030,517.62
  5. Step 5: Solve for x
    x = 107,629,030,517.62/445,484.63
  6. Step 6: Final answer
    x = 241,599.87

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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.