Finding the Fourth Proportional to 214,922.54, 296,506.50 and 129,891.98
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Solution
The fourth proportional to 214,922.54, 296,506.50 and 129,891.98 is: 179,198.59
Step by Step Solution
- Step 1: Write the proportion equation
214,922.54 : 296,506.50 = 129,891.98 : x - Step 2: Convert to fraction form
214,922.54/296,506.50 = 129,891.98/x - Step 3: Cross multiply
214,922.54x = 296,506.50 × 129,891.98 - Step 4: Simplify right side
214,922.54x = 38,513,816,367.87 - Step 5: Solve for x
x = 38,513,816,367.87/214,922.54 - Step 6: Final answer
x = 179,198.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.