Home / 395,323.28-545,539.48-214,033.73

Finding the Fourth Proportional to 395,323.28, 545,539.48 and 214,033.73

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Solution

The fourth proportional to 395,323.28, 545,539.48 and 214,033.73 is: 295,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,323.28 : 545,539.48 = 214,033.73 : x
  2. Step 2: Convert to fraction form
    395,323.28/545,539.48 = 214,033.73/x
  3. Step 3: Cross multiply
    395,323.28x = 545,539.48 × 214,033.73
  4. Step 4: Simplify right side
    395,323.28x = 116,763,850,595.43
  5. Step 5: Solve for x
    x = 116,763,850,595.43/395,323.28
  6. Step 6: Final answer
    x = 295,362.95

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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.