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Finding the Fourth Proportional to 336,511.20, 504,183.60 and 218,121.60

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Solution

The fourth proportional to 336,511.20, 504,183.60 and 218,121.60 is: 326,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,511.20 : 504,183.60 = 218,121.60 : x
  2. Step 2: Convert to fraction form
    336,511.20/504,183.60 = 218,121.60/x
  3. Step 3: Cross multiply
    336,511.20x = 504,183.60 × 218,121.60
  4. Step 4: Simplify right side
    336,511.20x = 109,973,333,525.76
  5. Step 5: Solve for x
    x = 109,973,333,525.76/336,511.20
  6. Step 6: Final answer
    x = 326,804.38

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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.