Finding the Fourth Proportional to 303,121.10, 418,297.52 and 167,160.80
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Solution
The fourth proportional to 303,121.10, 418,297.52 and 167,160.80 is: 230,676.61
Step by Step Solution
- Step 1: Write the proportion equation
303,121.10 : 418,297.52 = 167,160.80 : x - Step 2: Convert to fraction form
303,121.10/418,297.52 = 167,160.80/x - Step 3: Cross multiply
303,121.10x = 418,297.52 × 167,160.80 - Step 4: Simplify right side
303,121.10x = 69,922,948,081.22 - Step 5: Solve for x
x = 69,922,948,081.22/303,121.10 - Step 6: Final answer
x = 230,676.61
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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.