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Finding the Fourth Proportional to 358,229.05, 494,356.06 and 197,080.64

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Solution

The fourth proportional to 358,229.05, 494,356.06 and 197,080.64 is: 271,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,229.05 : 494,356.06 = 197,080.64 : x
  2. Step 2: Convert to fraction form
    358,229.05/494,356.06 = 197,080.64/x
  3. Step 3: Cross multiply
    358,229.05x = 494,356.06 × 197,080.64
  4. Step 4: Simplify right side
    358,229.05x = 97,428,008,692.68
  5. Step 5: Solve for x
    x = 97,428,008,692.68/358,229.05
  6. Step 6: Final answer
    x = 271,971.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.