Finding the Fourth Proportional to 199,084.75, 274,736.97 and 109,660.75
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Solution
The fourth proportional to 199,084.75, 274,736.97 and 109,660.75 is: 151,331.84
Step by Step Solution
- Step 1: Write the proportion equation
199,084.75 : 274,736.97 = 109,660.75 : x - Step 2: Convert to fraction form
199,084.75/274,736.97 = 109,660.75/x - Step 3: Cross multiply
199,084.75x = 274,736.97 × 109,660.75 - Step 4: Simplify right side
199,084.75x = 30,127,862,182.93 - Step 5: Solve for x
x = 30,127,862,182.93/199,084.75 - Step 6: Final answer
x = 151,331.84
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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.