Finding the Fourth Proportional to 214,634.07, 321,950.84 and 81,514.08
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Solution
The fourth proportional to 214,634.07, 321,950.84 and 81,514.08 is: 122,271.02
Step by Step Solution
- Step 1: Write the proportion equation
214,634.07 : 321,950.84 = 81,514.08 : x - Step 2: Convert to fraction form
214,634.07/321,950.84 = 81,514.08/x - Step 3: Cross multiply
214,634.07x = 321,950.84 × 81,514.08 - Step 4: Simplify right side
214,634.07x = 26,243,526,120.26 - Step 5: Solve for x
x = 26,243,526,120.26/214,634.07 - Step 6: Final answer
x = 122,271.02
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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.