Finding the Fourth Proportional to 214,946.19, 296,658.42 and 154,716.21
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Solution
The fourth proportional to 214,946.19, 296,658.42 and 154,716.21 is: 213,531.89
Step by Step Solution
- Step 1: Write the proportion equation
214,946.19 : 296,658.42 = 154,716.21 : x - Step 2: Convert to fraction form
214,946.19/296,658.42 = 154,716.21/x - Step 3: Cross multiply
214,946.19x = 296,658.42 × 154,716.21 - Step 4: Simplify right side
214,946.19x = 45,897,866,406.99 - Step 5: Solve for x
x = 45,897,866,406.99/214,946.19 - Step 6: Final answer
x = 213,531.89
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1.5x scale
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.