Finding the Fourth Proportional to 331,891.26, 497,681.37 and 121,381.98
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Solution
The fourth proportional to 331,891.26, 497,681.37 and 121,381.98 is: 182,016.09
Step by Step Solution
- Step 1: Write the proportion equation
331,891.26 : 497,681.37 = 121,381.98 : x - Step 2: Convert to fraction form
331,891.26/497,681.37 = 121,381.98/x - Step 3: Cross multiply
331,891.26x = 497,681.37 × 121,381.98 - Step 4: Simplify right side
331,891.26x = 60,409,550,099.71 - Step 5: Solve for x
x = 60,409,550,099.71/331,891.26 - Step 6: Final answer
x = 182,016.09
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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.