Home / 394,825.20-544,858.74-213,537.12

Finding the Fourth Proportional to 394,825.20, 544,858.74 and 213,537.12

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Solution

The fourth proportional to 394,825.20, 544,858.74 and 213,537.12 is: 294,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,825.20 : 544,858.74 = 213,537.12 : x
  2. Step 2: Convert to fraction form
    394,825.20/544,858.74 = 213,537.12/x
  3. Step 3: Cross multiply
    394,825.20x = 544,858.74 × 213,537.12
  4. Step 4: Simplify right side
    394,825.20x = 116,347,566,146.43
  5. Step 5: Solve for x
    x = 116,347,566,146.43/394,825.20
  6. Step 6: Final answer
    x = 294,681.21

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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.