Finding the Fourth Proportional to 195,571.92, 269,887.08 and 109,531.68
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Solution
The fourth proportional to 195,571.92, 269,887.08 and 109,531.68 is: 151,152.50
Step by Step Solution
- Step 1: Write the proportion equation
195,571.92 : 269,887.08 = 109,531.68 : x - Step 2: Convert to fraction form
195,571.92/269,887.08 = 109,531.68/x - Step 3: Cross multiply
195,571.92x = 269,887.08 × 109,531.68 - Step 4: Simplify right side
195,571.92x = 29,561,185,282.69 - Step 5: Solve for x
x = 29,561,185,282.69/195,571.92 - Step 6: Final answer
x = 151,152.50
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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.