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Finding the Fourth Proportional to 222,763.68, 334,276.08 and 89,623.20

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Solution

The fourth proportional to 222,763.68, 334,276.08 and 89,623.20 is: 134,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,763.68 : 334,276.08 = 89,623.20 : x
  2. Step 2: Convert to fraction form
    222,763.68/334,276.08 = 89,623.20/x
  3. Step 3: Cross multiply
    222,763.68x = 334,276.08 × 89,623.20
  4. Step 4: Simplify right side
    222,763.68x = 29,958,891,973.06
  5. Step 5: Solve for x
    x = 29,958,891,973.06/222,763.68
  6. Step 6: Final answer
    x = 134,487.33

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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.