Home / 490,204.28-734,670.68-220,133

Finding the Fourth Proportional to 490,204.28, 734,670.68 and 220,133

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Solution

The fourth proportional to 490,204.28, 734,670.68 and 220,133 is: 329,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,204.28 : 734,670.68 = 220,133 : x
  2. Step 2: Convert to fraction form
    490,204.28/734,670.68 = 220,133/x
  3. Step 3: Cross multiply
    490,204.28x = 734,670.68 × 220,133
  4. Step 4: Simplify right side
    490,204.28x = 161,725,260,800.44
  5. Step 5: Solve for x
    x = 161,725,260,800.44/490,204.28
  6. Step 6: Final answer
    x = 329,914.01

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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.