Finding the Fourth Proportional to 188,734.99, 260,446.44 and 102,694.31
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Solution
The fourth proportional to 188,734.99, 260,446.44 and 102,694.31 is: 141,713.88
Step by Step Solution
- Step 1: Write the proportion equation
188,734.99 : 260,446.44 = 102,694.31 : x - Step 2: Convert to fraction form
188,734.99/260,446.44 = 102,694.31/x - Step 3: Cross multiply
188,734.99x = 260,446.44 × 102,694.31 - Step 4: Simplify right side
188,734.99x = 26,746,366,145.52 - Step 5: Solve for x
x = 26,746,366,145.52/188,734.99 - Step 6: Final answer
x = 141,713.88
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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.