Home / 367,422.24-551,256-142,789.80

Finding the Fourth Proportional to 367,422.24, 551,256 and 142,789.80

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Solution

The fourth proportional to 367,422.24, 551,256 and 142,789.80 is: 214,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,422.24 : 551,256 = 142,789.80 : x
  2. Step 2: Convert to fraction form
    367,422.24/551,256 = 142,789.80/x
  3. Step 3: Cross multiply
    367,422.24x = 551,256 × 142,789.80
  4. Step 4: Simplify right side
    367,422.24x = 78,713,733,988.80
  5. Step 5: Solve for x
    x = 78,713,733,988.80/367,422.24
  6. Step 6: Final answer
    x = 214,232.36

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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.