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Finding the Fourth Proportional to 222,924.20, 334,480.10 and 138,754.76

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Solution

The fourth proportional to 222,924.20, 334,480.10 and 138,754.76 is: 208,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,924.20 : 334,480.10 = 138,754.76 : x
  2. Step 2: Convert to fraction form
    222,924.20/334,480.10 = 138,754.76/x
  3. Step 3: Cross multiply
    222,924.20x = 334,480.10 × 138,754.76
  4. Step 4: Simplify right side
    222,924.20x = 46,410,706,000.28
  5. Step 5: Solve for x
    x = 46,410,706,000.28/222,924.20
  6. Step 6: Final answer
    x = 208,190.52

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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.