Home / 445,033.81-667,591.75-145,515.92

Finding the Fourth Proportional to 445,033.81, 667,591.75 and 145,515.92

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Solution

The fourth proportional to 445,033.81, 667,591.75 and 145,515.92 is: 218,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,033.81 : 667,591.75 = 145,515.92 : x
  2. Step 2: Convert to fraction form
    445,033.81/667,591.75 = 145,515.92/x
  3. Step 3: Cross multiply
    445,033.81x = 667,591.75 × 145,515.92
  4. Step 4: Simplify right side
    445,033.81x = 97,145,227,685.66
  5. Step 5: Solve for x
    x = 97,145,227,685.66/445,033.81
  6. Step 6: Final answer
    x = 218,287.30

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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.