Finding the Fourth Proportional to 331,888.26, 497,676.87 and 121,378.98
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Solution
The fourth proportional to 331,888.26, 497,676.87 and 121,378.98 is: 182,011.59
Step by Step Solution
- Step 1: Write the proportion equation
331,888.26 : 497,676.87 = 121,378.98 : x - Step 2: Convert to fraction form
331,888.26/497,676.87 = 121,378.98/x - Step 3: Cross multiply
331,888.26x = 497,676.87 × 121,378.98 - Step 4: Simplify right side
331,888.26x = 60,407,510,850.19 - Step 5: Solve for x
x = 60,407,510,850.19/331,888.26 - Step 6: Final answer
x = 182,011.59
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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.