Finding the Fourth Proportional to 178,629.09, 246,623.61 and 110,718.28
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Solution
The fourth proportional to 178,629.09, 246,623.61 and 110,718.28 is: 152,862.79
Step by Step Solution
- Step 1: Write the proportion equation
178,629.09 : 246,623.61 = 110,718.28 : x - Step 2: Convert to fraction form
178,629.09/246,623.61 = 110,718.28/x - Step 3: Cross multiply
178,629.09x = 246,623.61 × 110,718.28 - Step 4: Simplify right side
178,629.09x = 27,305,741,906.59 - Step 5: Solve for x
x = 27,305,741,906.59/178,629.09 - Step 6: Final answer
x = 152,862.79
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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.