Finding the Fourth Proportional to 91,206.11, 136,809.62 and 41,227.70
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Solution
The fourth proportional to 91,206.11, 136,809.62 and 41,227.70 is: 61,841.75
Step by Step Solution
- Step 1: Write the proportion equation
91,206.11 : 136,809.62 = 41,227.70 : x - Step 2: Convert to fraction form
91,206.11/136,809.62 = 41,227.70/x - Step 3: Cross multiply
91,206.11x = 136,809.62 × 41,227.70 - Step 4: Simplify right side
91,206.11x = 5,640,345,466.80 - Step 5: Solve for x
x = 5,640,345,466.80/91,206.11 - Step 6: Final answer
x = 61,841.75
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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.