Finding the Fourth Proportional to 166,242.18, 229,414.47 and 94,622.20
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Solution
The fourth proportional to 166,242.18, 229,414.47 and 94,622.20 is: 130,578.79
Step by Step Solution
- Step 1: Write the proportion equation
166,242.18 : 229,414.47 = 94,622.20 : x - Step 2: Convert to fraction form
166,242.18/229,414.47 = 94,622.20/x - Step 3: Cross multiply
166,242.18x = 229,414.47 × 94,622.20 - Step 4: Simplify right side
166,242.18x = 21,707,702,358.38 - Step 5: Solve for x
x = 21,707,702,358.38/166,242.18 - Step 6: Final answer
x = 130,578.79
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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.