Finding the Fourth Proportional to 164,431.13, 226,915.16 and 88,979.63
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Solution
The fourth proportional to 164,431.13, 226,915.16 and 88,979.63 is: 122,791.99
Step by Step Solution
- Step 1: Write the proportion equation
164,431.13 : 226,915.16 = 88,979.63 : x - Step 2: Convert to fraction form
164,431.13/226,915.16 = 88,979.63/x - Step 3: Cross multiply
164,431.13x = 226,915.16 × 88,979.63 - Step 4: Simplify right side
164,431.13x = 20,190,825,398.72 - Step 5: Solve for x
x = 20,190,825,398.72/164,431.13 - Step 6: Final answer
x = 122,791.99
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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.