Finding the Fourth Proportional to 226,028.40, 311,968.76 and 176,872.68
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Solution
The fourth proportional to 226,028.40, 311,968.76 and 176,872.68 is: 244,123.09
Step by Step Solution
- Step 1: Write the proportion equation
226,028.40 : 311,968.76 = 176,872.68 : x - Step 2: Convert to fraction form
226,028.40/311,968.76 = 176,872.68/x - Step 3: Cross multiply
226,028.40x = 311,968.76 × 176,872.68 - Step 4: Simplify right side
226,028.40x = 55,178,750,657.48 - Step 5: Solve for x
x = 55,178,750,657.48/226,028.40 - Step 6: Final answer
x = 244,123.09
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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.