Finding the Fourth Proportional to 251,107.56, 376,716.83 and 82,621.08
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Solution
The fourth proportional to 251,107.56, 376,716.83 and 82,621.08 is: 123,949.88
Step by Step Solution
- Step 1: Write the proportion equation
251,107.56 : 376,716.83 = 82,621.08 : x - Step 2: Convert to fraction form
251,107.56/376,716.83 = 82,621.08/x - Step 3: Cross multiply
251,107.56x = 376,716.83 × 82,621.08 - Step 4: Simplify right side
251,107.56x = 31,124,750,935.67 - Step 5: Solve for x
x = 31,124,750,935.67/251,107.56 - Step 6: Final answer
x = 123,949.88
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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.