Home / 300,044.25-450,287.91-142,273.26

Finding the Fourth Proportional to 300,044.25, 450,287.91 and 142,273.26

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Solution

The fourth proportional to 300,044.25, 450,287.91 and 142,273.26 is: 213,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,044.25 : 450,287.91 = 142,273.26 : x
  2. Step 2: Convert to fraction form
    300,044.25/450,287.91 = 142,273.26/x
  3. Step 3: Cross multiply
    300,044.25x = 450,287.91 × 142,273.26
  4. Step 4: Simplify right side
    300,044.25x = 64,063,928,894.29
  5. Step 5: Solve for x
    x = 64,063,928,894.29/300,044.25
  6. Step 6: Final answer
    x = 213,514.94

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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.