Finding the Fourth Proportional to 331,861.19, 497,790.84 and 82,543.19
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Solution
The fourth proportional to 331,861.19, 497,790.84 and 82,543.19 is: 123,814.55
Step by Step Solution
- Step 1: Write the proportion equation
331,861.19 : 497,790.84 = 82,543.19 : x - Step 2: Convert to fraction form
331,861.19/497,790.84 = 82,543.19/x - Step 3: Cross multiply
331,861.19x = 497,790.84 × 82,543.19 - Step 4: Simplify right side
331,861.19x = 41,089,243,886.38 - Step 5: Solve for x
x = 41,089,243,886.38/331,861.19 - Step 6: Final answer
x = 123,814.55
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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.