Finding the Fourth Proportional to 214,063.99, 321,295.25 and 108,961.63
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Solution
The fourth proportional to 214,063.99, 321,295.25 and 108,961.63 is: 163,543.87
Step by Step Solution
- Step 1: Write the proportion equation
214,063.99 : 321,295.25 = 108,961.63 : x - Step 2: Convert to fraction form
214,063.99/321,295.25 = 108,961.63/x - Step 3: Cross multiply
214,063.99x = 321,295.25 × 108,961.63 - Step 4: Simplify right side
214,063.99x = 35,008,854,151.26 - Step 5: Solve for x
x = 35,008,854,151.26/214,063.99 - Step 6: Final answer
x = 163,543.87
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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.