Finding the Fourth Proportional to 122,619.47, 183,932.64 and 33,872.99
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Solution
The fourth proportional to 122,619.47, 183,932.64 and 33,872.99 is: 50,810.43
Step by Step Solution
- Step 1: Write the proportion equation
122,619.47 : 183,932.64 = 33,872.99 : x - Step 2: Convert to fraction form
122,619.47/183,932.64 = 33,872.99/x - Step 3: Cross multiply
122,619.47x = 183,932.64 × 33,872.99 - Step 4: Simplify right side
122,619.47x = 6,230,347,555.73 - Step 5: Solve for x
x = 6,230,347,555.73/122,619.47 - Step 6: Final answer
x = 50,810.43
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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.