Finding the Fourth Proportional to 198,848.68, 274,403.10 and 113,906.68
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Solution
The fourth proportional to 198,848.68, 274,403.10 and 113,906.68 is: 157,186.59
Step by Step Solution
- Step 1: Write the proportion equation
198,848.68 : 274,403.10 = 113,906.68 : x - Step 2: Convert to fraction form
198,848.68/274,403.10 = 113,906.68/x - Step 3: Cross multiply
198,848.68x = 274,403.10 × 113,906.68 - Step 4: Simplify right side
198,848.68x = 31,256,346,102.71 - Step 5: Solve for x
x = 31,256,346,102.71/198,848.68 - Step 6: Final answer
x = 157,186.59
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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.