Finding the Fourth Proportional to 193,982.44, 267,706.74 and 129,340.12
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Solution
The fourth proportional to 193,982.44, 267,706.74 and 129,340.12 is: 178,496.68
Step by Step Solution
- Step 1: Write the proportion equation
193,982.44 : 267,706.74 = 129,340.12 : x - Step 2: Convert to fraction form
193,982.44/267,706.74 = 129,340.12/x - Step 3: Cross multiply
193,982.44x = 267,706.74 × 129,340.12 - Step 4: Simplify right side
193,982.44x = 34,625,221,876.41 - Step 5: Solve for x
x = 34,625,221,876.41/193,982.44 - Step 6: Final answer
x = 178,496.68
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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.