Home / 891,181.05-1,336,850.43-251,490.42

Finding the Fourth Proportional to 891,181.05, 1,336,850.43 and 251,490.42

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Solution

The fourth proportional to 891,181.05, 1,336,850.43 and 251,490.42 is: 377,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,181.05 : 1,336,850.43 = 251,490.42 : x
  2. Step 2: Convert to fraction form
    891,181.05/1,336,850.43 = 251,490.42/x
  3. Step 3: Cross multiply
    891,181.05x = 1,336,850.43 × 251,490.42
  4. Step 4: Simplify right side
    891,181.05x = 336,205,076,117.88
  5. Step 5: Solve for x
    x = 336,205,076,117.88/891,181.05
  6. Step 6: Final answer
    x = 377,257.88

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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.