Finding the Fourth Proportional to 166,939.38, 248,920.11 and 148,393.62
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Solution
The fourth proportional to 166,939.38, 248,920.11 and 148,393.62 is: 221,266.88
Step by Step Solution
- Step 1: Write the proportion equation
166,939.38 : 248,920.11 = 148,393.62 : x - Step 2: Convert to fraction form
166,939.38/248,920.11 = 148,393.62/x - Step 3: Cross multiply
166,939.38x = 248,920.11 × 148,393.62 - Step 4: Simplify right side
166,939.38x = 36,938,156,213.70 - Step 5: Solve for x
x = 36,938,156,213.70/166,939.38 - Step 6: Final answer
x = 221,266.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.