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Finding the Fourth Proportional to 329,004.40, 493,506.60 and 222,716.20

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Solution

The fourth proportional to 329,004.40, 493,506.60 and 222,716.20 is: 334,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,004.40 : 493,506.60 = 222,716.20 : x
  2. Step 2: Convert to fraction form
    329,004.40/493,506.60 = 222,716.20/x
  3. Step 3: Cross multiply
    329,004.40x = 493,506.60 × 222,716.20
  4. Step 4: Simplify right side
    329,004.40x = 109,911,914,626.92
  5. Step 5: Solve for x
    x = 109,911,914,626.92/329,004.40
  6. Step 6: Final answer
    x = 334,074.30

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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.