Home / 327,216.24-490,323.30-220,203.48

Finding the Fourth Proportional to 327,216.24, 490,323.30 and 220,203.48

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Solution

The fourth proportional to 327,216.24, 490,323.30 and 220,203.48 is: 329,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,216.24 : 490,323.30 = 220,203.48 : x
  2. Step 2: Convert to fraction form
    327,216.24/490,323.30 = 220,203.48/x
  3. Step 3: Cross multiply
    327,216.24x = 490,323.30 × 220,203.48
  4. Step 4: Simplify right side
    327,216.24x = 107,970,896,985.08
  5. Step 5: Solve for x
    x = 107,970,896,985.08/327,216.24
  6. Step 6: Final answer
    x = 329,968.03

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1.5x scale

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.