Home / 445,035.43-667,594.19-145,517.55

Finding the Fourth Proportional to 445,035.43, 667,594.19 and 145,517.55

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Solution

The fourth proportional to 445,035.43, 667,594.19 and 145,517.55 is: 218,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,035.43 : 667,594.19 = 145,517.55 : x
  2. Step 2: Convert to fraction form
    445,035.43/667,594.19 = 145,517.55/x
  3. Step 3: Cross multiply
    445,035.43x = 667,594.19 × 145,517.55
  4. Step 4: Simplify right side
    445,035.43x = 97,146,670,923.03
  5. Step 5: Solve for x
    x = 97,146,670,923.03/445,035.43
  6. Step 6: Final answer
    x = 218,289.75

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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.