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Finding the Fourth Proportional to 358,181.88, 494,275.41 and 197,026.71

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Solution

The fourth proportional to 358,181.88, 494,275.41 and 197,026.71 is: 271,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,181.88 : 494,275.41 = 197,026.71 : x
  2. Step 2: Convert to fraction form
    358,181.88/494,275.41 = 197,026.71/x
  3. Step 3: Cross multiply
    358,181.88x = 494,275.41 × 197,026.71
  4. Step 4: Simplify right side
    358,181.88x = 97,385,457,866.20
  5. Step 5: Solve for x
    x = 97,385,457,866.20/358,181.88
  6. Step 6: Final answer
    x = 271,888.29

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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.