Finding the Fourth Proportional to 212,431.02, 293,163.18 and 116,946.60
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Solution
The fourth proportional to 212,431.02, 293,163.18 and 116,946.60 is: 161,390.92
Step by Step Solution
- Step 1: Write the proportion equation
212,431.02 : 293,163.18 = 116,946.60 : x - Step 2: Convert to fraction form
212,431.02/293,163.18 = 116,946.60/x - Step 3: Cross multiply
212,431.02x = 293,163.18 × 116,946.60 - Step 4: Simplify right side
212,431.02x = 34,284,437,146.19 - Step 5: Solve for x
x = 34,284,437,146.19/212,431.02 - Step 6: Final answer
x = 161,390.92
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1.5x scale
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.