Finding the Fourth Proportional to 252,106.08, 347,893.56 and 138,906.96
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Solution
The fourth proportional to 252,106.08, 347,893.56 and 138,906.96 is: 191,684.54
Step by Step Solution
- Step 1: Write the proportion equation
252,106.08 : 347,893.56 = 138,906.96 : x - Step 2: Convert to fraction form
252,106.08/347,893.56 = 138,906.96/x - Step 3: Cross multiply
252,106.08x = 347,893.56 × 138,906.96 - Step 4: Simplify right side
252,106.08x = 48,324,836,823.18 - Step 5: Solve for x
x = 48,324,836,823.18/252,106.08 - Step 6: Final answer
x = 191,684.54
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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.