Finding the Fourth Proportional to 242,788.70, 364,163.60 and 82,850.96
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Solution
The fourth proportional to 242,788.70, 364,163.60 and 82,850.96 is: 124,269.80
Step by Step Solution
- Step 1: Write the proportion equation
242,788.70 : 364,163.60 = 82,850.96 : x - Step 2: Convert to fraction form
242,788.70/364,163.60 = 82,850.96/x - Step 3: Cross multiply
242,788.70x = 364,163.60 × 82,850.96 - Step 4: Simplify right side
242,788.70x = 30,171,303,857.06 - Step 5: Solve for x
x = 30,171,303,857.06/242,788.70 - Step 6: Final answer
x = 124,269.80
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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.