Finding the Fourth Proportional to 214,451.82, 321,689.07 and 56,675.97
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Solution
The fourth proportional to 214,451.82, 321,689.07 and 56,675.97 is: 85,016.95
Step by Step Solution
- Step 1: Write the proportion equation
214,451.82 : 321,689.07 = 56,675.97 : x - Step 2: Convert to fraction form
214,451.82/321,689.07 = 56,675.97/x - Step 3: Cross multiply
214,451.82x = 321,689.07 × 56,675.97 - Step 4: Simplify right side
214,451.82x = 18,232,040,080.65 - Step 5: Solve for x
x = 18,232,040,080.65/214,451.82 - Step 6: Final answer
x = 85,016.95
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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.