Finding the Fourth Proportional to 216,047.36, 298,204.26 and 125,431.72
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Solution
The fourth proportional to 216,047.36, 298,204.26 and 125,431.72 is: 173,129.97
Step by Step Solution
- Step 1: Write the proportion equation
216,047.36 : 298,204.26 = 125,431.72 : x - Step 2: Convert to fraction form
216,047.36/298,204.26 = 125,431.72/x - Step 3: Cross multiply
216,047.36x = 298,204.26 × 125,431.72 - Step 4: Simplify right side
216,047.36x = 37,404,273,243.13 - Step 5: Solve for x
x = 37,404,273,243.13/216,047.36 - Step 6: Final answer
x = 173,129.97
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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.