Finding the Fourth Proportional to 212,905.27, 293,795.88 and 122,197.42
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Solution
The fourth proportional to 212,905.27, 293,795.88 and 122,197.42 is: 168,624.75
Step by Step Solution
- Step 1: Write the proportion equation
212,905.27 : 293,795.88 = 122,197.42 : x - Step 2: Convert to fraction form
212,905.27/293,795.88 = 122,197.42/x - Step 3: Cross multiply
212,905.27x = 293,795.88 × 122,197.42 - Step 4: Simplify right side
212,905.27x = 35,901,098,542.63 - Step 5: Solve for x
x = 35,901,098,542.63/212,905.27 - Step 6: Final answer
x = 168,624.75
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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.