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Finding the Fourth Proportional to 222,423.20, 333,634.80 and 211,536.80

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Solution

The fourth proportional to 222,423.20, 333,634.80 and 211,536.80 is: 317,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,423.20 : 333,634.80 = 211,536.80 : x
  2. Step 2: Convert to fraction form
    222,423.20/333,634.80 = 211,536.80/x
  3. Step 3: Cross multiply
    222,423.20x = 333,634.80 × 211,536.80
  4. Step 4: Simplify right side
    222,423.20x = 70,576,037,960.64
  5. Step 5: Solve for x
    x = 70,576,037,960.64/222,423.20
  6. Step 6: Final answer
    x = 317,305.20

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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.