Finding the Fourth Proportional to 477,920.79, 716,880.29 and 141,197.97
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Solution
The fourth proportional to 477,920.79, 716,880.29 and 141,197.97 is: 211,796.69
Step by Step Solution
- Step 1: Write the proportion equation
477,920.79 : 716,880.29 = 141,197.97 : x - Step 2: Convert to fraction form
477,920.79/716,880.29 = 141,197.97/x - Step 3: Cross multiply
477,920.79x = 716,880.29 × 141,197.97 - Step 4: Simplify right side
477,920.79x = 101,222,040,975.02 - Step 5: Solve for x
x = 101,222,040,975.02/477,920.79 - Step 6: Final answer
x = 211,796.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.