Finding the Fourth Proportional to 201,792.75, 278,474.00 and 116,959.02
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Solution
The fourth proportional to 201,792.75, 278,474.00 and 116,959.02 is: 161,403.45
Step by Step Solution
- Step 1: Write the proportion equation
201,792.75 : 278,474.00 = 116,959.02 : x - Step 2: Convert to fraction form
201,792.75/278,474.00 = 116,959.02/x - Step 3: Cross multiply
201,792.75x = 278,474.00 × 116,959.02 - Step 4: Simplify right side
201,792.75x = 32,570,045,550.68 - Step 5: Solve for x
x = 32,570,045,550.68/201,792.75 - Step 6: Final answer
x = 161,403.45
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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.