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Finding the Fourth Proportional to 222,066.20, 333,099.30 and 151,207.40

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Solution

The fourth proportional to 222,066.20, 333,099.30 and 151,207.40 is: 226,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,066.20 : 333,099.30 = 151,207.40 : x
  2. Step 2: Convert to fraction form
    222,066.20/333,099.30 = 151,207.40/x
  3. Step 3: Cross multiply
    222,066.20x = 333,099.30 × 151,207.40
  4. Step 4: Simplify right side
    222,066.20x = 50,367,079,094.82
  5. Step 5: Solve for x
    x = 50,367,079,094.82/222,066.20
  6. Step 6: Final answer
    x = 226,811.10

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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.