Home / 394,256.58-544,074.36-212,968.56

Finding the Fourth Proportional to 394,256.58, 544,074.36 and 212,968.56

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Solution

The fourth proportional to 394,256.58, 544,074.36 and 212,968.56 is: 293,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,256.58 : 544,074.36 = 212,968.56 : x
  2. Step 2: Convert to fraction form
    394,256.58/544,074.36 = 212,968.56/x
  3. Step 3: Cross multiply
    394,256.58x = 544,074.36 × 212,968.56
  4. Step 4: Simplify right side
    394,256.58x = 115,870,732,982.12
  5. Step 5: Solve for x
    x = 115,870,732,982.12/394,256.58
  6. Step 6: Final answer
    x = 293,896.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.