Finding the Fourth Proportional to 331,992.96, 498,115.26 and 198,968.68
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Solution
The fourth proportional to 331,992.96, 498,115.26 and 198,968.68 is: 298,528.43
Step by Step Solution
- Step 1: Write the proportion equation
331,992.96 : 498,115.26 = 198,968.68 : x - Step 2: Convert to fraction form
331,992.96/498,115.26 = 198,968.68/x - Step 3: Cross multiply
331,992.96x = 498,115.26 × 198,968.68 - Step 4: Simplify right side
331,992.96x = 99,109,335,770.06 - Step 5: Solve for x
x = 99,109,335,770.06/331,992.96 - Step 6: Final answer
x = 298,528.43
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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.