Finding the Fourth Proportional to 198,627.01, 274,110.68 and 107,989.07
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Solution
The fourth proportional to 198,627.01, 274,110.68 and 107,989.07 is: 149,027.86
Step by Step Solution
- Step 1: Write the proportion equation
198,627.01 : 274,110.68 = 107,989.07 : x - Step 2: Convert to fraction form
198,627.01/274,110.68 = 107,989.07/x - Step 3: Cross multiply
198,627.01x = 274,110.68 × 107,989.07 - Step 4: Simplify right side
198,627.01x = 29,600,958,622.50 - Step 5: Solve for x
x = 29,600,958,622.50/198,627.01 - Step 6: Final answer
x = 149,027.86
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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.