Finding the Fourth Proportional to 296,168.08, 408,286.82 and 211,137.52
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Solution
The fourth proportional to 296,168.08, 408,286.82 and 211,137.52 is: 291,066.70
Step by Step Solution
- Step 1: Write the proportion equation
296,168.08 : 408,286.82 = 211,137.52 : x - Step 2: Convert to fraction form
296,168.08/408,286.82 = 211,137.52/x - Step 3: Cross multiply
296,168.08x = 408,286.82 × 211,137.52 - Step 4: Simplify right side
296,168.08x = 86,204,666,623.49 - Step 5: Solve for x
x = 86,204,666,623.49/296,168.08 - Step 6: Final answer
x = 291,066.70
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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.