Home / 445,033.31-667,591.00-145,515.42

Finding the Fourth Proportional to 445,033.31, 667,591.00 and 145,515.42

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Solution

The fourth proportional to 445,033.31, 667,591.00 and 145,515.42 is: 218,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.31 : 667,591.00 = 145,515.42 : x
  2. Step 2: Convert to fraction form
    445,033.31/667,591.00 = 145,515.42/x
  3. Step 3: Cross multiply
    445,033.31x = 667,591.00 × 145,515.42
  4. Step 4: Simplify right side
    445,033.31x = 97,144,784,389.43
  5. Step 5: Solve for x
    x = 97,144,784,389.43/445,033.31
  6. Step 6: Final answer
    x = 218,286.55

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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.