Finding the Fourth Proportional to 303,081.18, 418,254.96 and 167,120.56
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Solution
The fourth proportional to 303,081.18, 418,254.96 and 167,120.56 is: 230,627.99
Step by Step Solution
- Step 1: Write the proportion equation
303,081.18 : 418,254.96 = 167,120.56 : x - Step 2: Convert to fraction form
303,081.18/418,254.96 = 167,120.56/x - Step 3: Cross multiply
303,081.18x = 418,254.96 × 167,120.56 - Step 4: Simplify right side
303,081.18x = 69,899,003,137.98 - Step 5: Solve for x
x = 69,899,003,137.98/303,081.18 - Step 6: Final answer
x = 230,627.99
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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.