Home / 437,204.22-655,634.37-212,498.82

Finding the Fourth Proportional to 437,204.22, 655,634.37 and 212,498.82

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Solution

The fourth proportional to 437,204.22, 655,634.37 and 212,498.82 is: 318,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,204.22 : 655,634.37 = 212,498.82 : x
  2. Step 2: Convert to fraction form
    437,204.22/655,634.37 = 212,498.82/x
  3. Step 3: Cross multiply
    437,204.22x = 655,634.37 × 212,498.82
  4. Step 4: Simplify right side
    437,204.22x = 139,321,529,976.44
  5. Step 5: Solve for x
    x = 139,321,529,976.44/437,204.22
  6. Step 6: Final answer
    x = 318,664.65

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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.