Finding the Fourth Proportional to 378,338.29, 522,110.87 and 208,578.49
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Solution
The fourth proportional to 378,338.29, 522,110.87 and 208,578.49 is: 287,840.54
Step by Step Solution
- Step 1: Write the proportion equation
378,338.29 : 522,110.87 = 208,578.49 : x - Step 2: Convert to fraction form
378,338.29/522,110.87 = 208,578.49/x - Step 3: Cross multiply
378,338.29x = 522,110.87 × 208,578.49 - Step 4: Simplify right side
378,338.29x = 108,901,096,877.19 - Step 5: Solve for x
x = 108,901,096,877.19/378,338.29 - Step 6: Final answer
x = 287,840.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.