Home / 351,286.61-484,784.93-213,418.60

Finding the Fourth Proportional to 351,286.61, 484,784.93 and 213,418.60

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Solution

The fourth proportional to 351,286.61, 484,784.93 and 213,418.60 is: 294,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,286.61 : 484,784.93 = 213,418.60 : x
  2. Step 2: Convert to fraction form
    351,286.61/484,784.93 = 213,418.60/x
  3. Step 3: Cross multiply
    351,286.61x = 484,784.93 × 213,418.60
  4. Step 4: Simplify right side
    351,286.61x = 103,462,120,383.28
  5. Step 5: Solve for x
    x = 103,462,120,383.28/351,286.61
  6. Step 6: Final answer
    x = 294,523.39

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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.