Finding the Fourth Proportional to 214,888.99, 321,890.51 and 125,872.62
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Solution
The fourth proportional to 214,888.99, 321,890.51 and 125,872.62 is: 188,549.45
Step by Step Solution
- Step 1: Write the proportion equation
214,888.99 : 321,890.51 = 125,872.62 : x - Step 2: Convert to fraction form
214,888.99/321,890.51 = 125,872.62/x - Step 3: Cross multiply
214,888.99x = 321,890.51 × 125,872.62 - Step 4: Simplify right side
214,888.99x = 40,517,199,608.02 - Step 5: Solve for x
x = 40,517,199,608.02/214,888.99 - Step 6: Final answer
x = 188,549.45
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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.