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Finding the Fourth Proportional to 358,181.38, 494,274.72 and 197,026.21

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Solution

The fourth proportional to 358,181.38, 494,274.72 and 197,026.21 is: 271,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,181.38 : 494,274.72 = 197,026.21 : x
  2. Step 2: Convert to fraction form
    358,181.38/494,274.72 = 197,026.21/x
  3. Step 3: Cross multiply
    358,181.38x = 494,274.72 × 197,026.21
  4. Step 4: Simplify right side
    358,181.38x = 97,385,074,780.41
  5. Step 5: Solve for x
    x = 97,385,074,780.41/358,181.38
  6. Step 6: Final answer
    x = 271,887.60

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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.