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Finding the Fourth Proportional to 358,172.44, 494,267.46 and 197,027.40

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Solution

The fourth proportional to 358,172.44, 494,267.46 and 197,027.40 is: 271,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,172.44 : 494,267.46 = 197,027.40 : x
  2. Step 2: Convert to fraction form
    358,172.44/494,267.46 = 197,027.40/x
  3. Step 3: Cross multiply
    358,172.44x = 494,267.46 × 197,027.40
  4. Step 4: Simplify right side
    358,172.44x = 97,384,232,548.40
  5. Step 5: Solve for x
    x = 97,384,232,548.40/358,172.44
  6. Step 6: Final answer
    x = 271,892.03

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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.