Finding the Fourth Proportional to 198,868.14, 274,435.14 and 109,444.14
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Solution
The fourth proportional to 198,868.14, 274,435.14 and 109,444.14 is: 151,031.32
Step by Step Solution
- Step 1: Write the proportion equation
198,868.14 : 274,435.14 = 109,444.14 : x - Step 2: Convert to fraction form
198,868.14/274,435.14 = 109,444.14/x - Step 3: Cross multiply
198,868.14x = 274,435.14 × 109,444.14 - Step 4: Simplify right side
198,868.14x = 30,035,317,883.08 - Step 5: Solve for x
x = 30,035,317,883.08/198,868.14 - Step 6: Final answer
x = 151,031.32
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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.