Home / 445,039.44-667,600.20-145,521.56

Finding the Fourth Proportional to 445,039.44, 667,600.20 and 145,521.56

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Solution

The fourth proportional to 445,039.44, 667,600.20 and 145,521.56 is: 218,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,039.44 : 667,600.20 = 145,521.56 : x
  2. Step 2: Convert to fraction form
    445,039.44/667,600.20 = 145,521.56/x
  3. Step 3: Cross multiply
    445,039.44x = 667,600.20 × 145,521.56
  4. Step 4: Simplify right side
    445,039.44x = 97,150,222,560.31
  5. Step 5: Solve for x
    x = 97,150,222,560.31/445,039.44
  6. Step 6: Final answer
    x = 218,295.76

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1.5x scale

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.