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Finding the Fourth Proportional to 222,722.80, 334,038.84 and 82,448.08

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Solution

The fourth proportional to 222,722.80, 334,038.84 and 82,448.08 is: 123,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,722.80 : 334,038.84 = 82,448.08 : x
  2. Step 2: Convert to fraction form
    222,722.80/334,038.84 = 82,448.08/x
  3. Step 3: Cross multiply
    222,722.80x = 334,038.84 × 82,448.08
  4. Step 4: Simplify right side
    222,722.80x = 27,540,861,003.43
  5. Step 5: Solve for x
    x = 27,540,861,003.43/222,722.80
  6. Step 6: Final answer
    x = 123,655.33

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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.