Finding the Fourth Proportional to 122,075.71, 182,965.94 and 62,879.09
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Solution
The fourth proportional to 122,075.71, 182,965.94 and 62,879.09 is: 94,242.59
Step by Step Solution
- Step 1: Write the proportion equation
122,075.71 : 182,965.94 = 62,879.09 : x - Step 2: Convert to fraction form
122,075.71/182,965.94 = 62,879.09/x - Step 3: Cross multiply
122,075.71x = 182,965.94 × 62,879.09 - Step 4: Simplify right side
122,075.71x = 11,504,730,578.97 - Step 5: Solve for x
x = 11,504,730,578.97/122,075.71 - Step 6: Final answer
x = 94,242.59
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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.