Home / 442,904.44-664,371.52-143,387.52

Finding the Fourth Proportional to 442,904.44, 664,371.52 and 143,387.52

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Solution

The fourth proportional to 442,904.44, 664,371.52 and 143,387.52 is: 215,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904.44 : 664,371.52 = 143,387.52 : x
  2. Step 2: Convert to fraction form
    442,904.44/664,371.52 = 143,387.52/x
  3. Step 3: Cross multiply
    442,904.44x = 664,371.52 × 143,387.52
  4. Step 4: Simplify right side
    442,904.44x = 95,262,584,611.43
  5. Step 5: Solve for x
    x = 95,262,584,611.43/442,904.44
  6. Step 6: Final answer
    x = 215,086.09

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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.