Finding the Fourth Proportional to 195,716.57, 270,220.44 and 122,240.96
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Solution
The fourth proportional to 195,716.57, 270,220.44 and 122,240.96 is: 168,774.70
Step by Step Solution
- Step 1: Write the proportion equation
195,716.57 : 270,220.44 = 122,240.96 : x - Step 2: Convert to fraction form
195,716.57/270,220.44 = 122,240.96/x - Step 3: Cross multiply
195,716.57x = 270,220.44 × 122,240.96 - Step 4: Simplify right side
195,716.57x = 33,032,004,646.12 - Step 5: Solve for x
x = 33,032,004,646.12/195,716.57 - Step 6: Final answer
x = 168,774.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.