Home / 327,184.41-490,276.02-220,172.07

Finding the Fourth Proportional to 327,184.41, 490,276.02 and 220,172.07

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Solution

The fourth proportional to 327,184.41, 490,276.02 and 220,172.07 is: 329,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,184.41 : 490,276.02 = 220,172.07 : x
  2. Step 2: Convert to fraction form
    327,184.41/490,276.02 = 220,172.07/x
  3. Step 3: Cross multiply
    327,184.41x = 490,276.02 × 220,172.07
  4. Step 4: Simplify right side
    327,184.41x = 107,945,086,194.76
  5. Step 5: Solve for x
    x = 107,945,086,194.76/327,184.41
  6. Step 6: Final answer
    x = 329,921.24

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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.