Finding the Fourth Proportional to 358,042.20, 537,022.99 and 91,808.97
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Solution
The fourth proportional to 358,042.20, 537,022.99 and 91,808.97 is: 137,703.12
Step by Step Solution
- Step 1: Write the proportion equation
358,042.20 : 537,022.99 = 91,808.97 : x - Step 2: Convert to fraction form
358,042.20/537,022.99 = 91,808.97/x - Step 3: Cross multiply
358,042.20x = 537,022.99 × 91,808.97 - Step 4: Simplify right side
358,042.20x = 49,303,527,578.22 - Step 5: Solve for x
x = 49,303,527,578.22/358,042.20 - Step 6: Final answer
x = 137,703.12
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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.