Finding the Fourth Proportional to 331,419.96, 497,194.92 and 131,703.12
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Solution
The fourth proportional to 331,419.96, 497,194.92 and 131,703.12 is: 197,580.50
Step by Step Solution
- Step 1: Write the proportion equation
331,419.96 : 497,194.92 = 131,703.12 : x - Step 2: Convert to fraction form
331,419.96/497,194.92 = 131,703.12/x - Step 3: Cross multiply
331,419.96x = 497,194.92 × 131,703.12 - Step 4: Simplify right side
331,419.96x = 65,482,122,212.15 - Step 5: Solve for x
x = 65,482,122,212.15/331,419.96 - Step 6: Final answer
x = 197,580.50
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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.