Finding the Fourth Proportional to 249,694.17, 374,578.54 and 91,910.62
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Solution
The fourth proportional to 249,694.17, 374,578.54 and 91,910.62 is: 137,879.65
Step by Step Solution
- Step 1: Write the proportion equation
249,694.17 : 374,578.54 = 91,910.62 : x - Step 2: Convert to fraction form
249,694.17/374,578.54 = 91,910.62/x - Step 3: Cross multiply
249,694.17x = 374,578.54 × 91,910.62 - Step 4: Simplify right side
249,694.17x = 34,427,745,850.09 - Step 5: Solve for x
x = 34,427,745,850.09/249,694.17 - Step 6: Final answer
x = 137,879.65
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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.