Finding the Fourth Proportional to 202,906.62, 279,993.51 and 112,261.14
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Solution
The fourth proportional to 202,906.62, 279,993.51 and 112,261.14 is: 154,910.62
Step by Step Solution
- Step 1: Write the proportion equation
202,906.62 : 279,993.51 = 112,261.14 : x - Step 2: Convert to fraction form
202,906.62/279,993.51 = 112,261.14/x - Step 3: Cross multiply
202,906.62x = 279,993.51 × 112,261.14 - Step 4: Simplify right side
202,906.62x = 31,432,390,625.20 - Step 5: Solve for x
x = 31,432,390,625.20/202,906.62 - Step 6: Final answer
x = 154,910.62
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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.