Finding the Fourth Proportional to 212,881.24, 293,795.82 and 122,249.08
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Solution
The fourth proportional to 212,881.24, 293,795.82 and 122,249.08 is: 168,715.05
Step by Step Solution
- Step 1: Write the proportion equation
212,881.24 : 293,795.82 = 122,249.08 : x - Step 2: Convert to fraction form
212,881.24/293,795.82 = 122,249.08/x - Step 3: Cross multiply
212,881.24x = 293,795.82 × 122,249.08 - Step 4: Simplify right side
212,881.24x = 35,916,268,702.85 - Step 5: Solve for x
x = 35,916,268,702.85/212,881.24 - Step 6: Final answer
x = 168,715.05
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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.