Finding the Fourth Proportional to 193,915.99, 267,383.44 and 136,536.97
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Solution
The fourth proportional to 193,915.99, 267,383.44 and 136,536.97 is: 188,265.67
Step by Step Solution
- Step 1: Write the proportion equation
193,915.99 : 267,383.44 = 136,536.97 : x - Step 2: Convert to fraction form
193,915.99/267,383.44 = 136,536.97/x - Step 3: Cross multiply
193,915.99x = 267,383.44 × 136,536.97 - Step 4: Simplify right side
193,915.99x = 36,507,724,725.78 - Step 5: Solve for x
x = 36,507,724,725.78/193,915.99 - Step 6: Final answer
x = 188,265.67
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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.