Finding the Fourth Proportional to 263,716.08, 363,920.68 and 154,818.70
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Solution
The fourth proportional to 263,716.08, 363,920.68 and 154,818.70 is: 213,645.40
Step by Step Solution
- Step 1: Write the proportion equation
263,716.08 : 363,920.68 = 154,818.70 : x - Step 2: Convert to fraction form
263,716.08/363,920.68 = 154,818.70/x - Step 3: Cross multiply
263,716.08x = 363,920.68 × 154,818.70 - Step 4: Simplify right side
263,716.08x = 56,341,726,580.72 - Step 5: Solve for x
x = 56,341,726,580.72/263,716.08 - Step 6: Final answer
x = 213,645.40
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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.