Finding the Fourth Proportional to 308,374.26, 462,736.35 and 121,516.98
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Solution
The fourth proportional to 308,374.26, 462,736.35 and 121,516.98 is: 182,344.41
Step by Step Solution
- Step 1: Write the proportion equation
308,374.26 : 462,736.35 = 121,516.98 : x - Step 2: Convert to fraction form
308,374.26/462,736.35 = 121,516.98/x - Step 3: Cross multiply
308,374.26x = 462,736.35 × 121,516.98 - Step 4: Simplify right side
308,374.26x = 56,230,323,788.22 - Step 5: Solve for x
x = 56,230,323,788.22/308,374.26 - Step 6: Final answer
x = 182,344.41
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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.