Finding the Fourth Proportional to 214,889.40, 321,891.12 and 125,873.03
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Solution
The fourth proportional to 214,889.40, 321,891.12 and 125,873.03 is: 188,550.07
Step by Step Solution
- Step 1: Write the proportion equation
214,889.40 : 321,891.12 = 125,873.03 : x - Step 2: Convert to fraction form
214,889.40/321,891.12 = 125,873.03/x - Step 3: Cross multiply
214,889.40x = 321,891.12 × 125,873.03 - Step 4: Simplify right side
214,889.40x = 40,517,411,409.22 - Step 5: Solve for x
x = 40,517,411,409.22/214,889.40 - Step 6: Final answer
x = 188,550.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.