Home / 213,027.12-319,521.24-196,321.68

Finding the Fourth Proportional to 213,027.12, 319,521.24 and 196,321.68

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Solution

The fourth proportional to 213,027.12, 319,521.24 and 196,321.68 is: 294,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,027.12 : 319,521.24 = 196,321.68 : x
  2. Step 2: Convert to fraction form
    213,027.12/319,521.24 = 196,321.68/x
  3. Step 3: Cross multiply
    213,027.12x = 319,521.24 × 196,321.68
  4. Step 4: Simplify right side
    213,027.12x = 62,728,946,632.48
  5. Step 5: Solve for x
    x = 62,728,946,632.48/213,027.12
  6. Step 6: Final answer
    x = 294,464.60

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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.