Finding the Fourth Proportional to 193,795.74, 267,414.08 and 112,138.02
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Solution
The fourth proportional to 193,795.74, 267,414.08 and 112,138.02 is: 154,736.55
Step by Step Solution
- Step 1: Write the proportion equation
193,795.74 : 267,414.08 = 112,138.02 : x - Step 2: Convert to fraction form
193,795.74/267,414.08 = 112,138.02/x - Step 3: Cross multiply
193,795.74x = 267,414.08 × 112,138.02 - Step 4: Simplify right side
193,795.74x = 29,987,284,890.63 - Step 5: Solve for x
x = 29,987,284,890.63/193,795.74 - Step 6: Final answer
x = 154,736.55
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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.