Finding the Fourth Proportional to 198,750.08, 274,450.56 and 135,239.60
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Solution
The fourth proportional to 198,750.08, 274,450.56 and 135,239.60 is: 186,750.03
Step by Step Solution
- Step 1: Write the proportion equation
198,750.08 : 274,450.56 = 135,239.60 : x - Step 2: Convert to fraction form
198,750.08/274,450.56 = 135,239.60/x - Step 3: Cross multiply
198,750.08x = 274,450.56 × 135,239.60 - Step 4: Simplify right side
198,750.08x = 37,116,583,954.18 - Step 5: Solve for x
x = 37,116,583,954.18/198,750.08 - Step 6: Final answer
x = 186,750.03
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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.