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Finding the Fourth Proportional to 222,419.70, 333,629.55 and 211,533.30

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Solution

The fourth proportional to 222,419.70, 333,629.55 and 211,533.30 is: 317,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,419.70 : 333,629.55 = 211,533.30 : x
  2. Step 2: Convert to fraction form
    222,419.70/333,629.55 = 211,533.30/x
  3. Step 3: Cross multiply
    222,419.70x = 333,629.55 × 211,533.30
  4. Step 4: Simplify right side
    222,419.70x = 70,573,759,689.02
  5. Step 5: Solve for x
    x = 70,573,759,689.02/222,419.70
  6. Step 6: Final answer
    x = 317,299.95

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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.