Finding the Fourth Proportional to 276,914.13, 382,141.49 and 149,589.73
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Solution
The fourth proportional to 276,914.13, 382,141.49 and 149,589.73 is: 206,433.82
Step by Step Solution
- Step 1: Write the proportion equation
276,914.13 : 382,141.49 = 149,589.73 : x - Step 2: Convert to fraction form
276,914.13/382,141.49 = 149,589.73/x - Step 3: Cross multiply
276,914.13x = 382,141.49 × 149,589.73 - Step 4: Simplify right side
276,914.13x = 57,164,442,310.90 - Step 5: Solve for x
x = 57,164,442,310.90/276,914.13 - Step 6: Final answer
x = 206,433.82
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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.