Finding the Fourth Proportional to 193,863.96, 267,556.37 and 108,981.09
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Solution
The fourth proportional to 193,863.96, 267,556.37 and 108,981.09 is: 150,407.45
Step by Step Solution
- Step 1: Write the proportion equation
193,863.96 : 267,556.37 = 108,981.09 : x - Step 2: Convert to fraction form
193,863.96/267,556.37 = 108,981.09/x - Step 3: Cross multiply
193,863.96x = 267,556.37 × 108,981.09 - Step 4: Simplify right side
193,863.96x = 29,158,584,294.14 - Step 5: Solve for x
x = 29,158,584,294.14/193,863.96 - Step 6: Final answer
x = 150,407.45
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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.