Finding the Fourth Proportional to 818,074.39, 1,227,167.67 and 278,110.99
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Solution
The fourth proportional to 818,074.39, 1,227,167.67 and 278,110.99 is: 417,185.55
Step by Step Solution
- Step 1: Write the proportion equation
818,074.39 : 1,227,167.67 = 278,110.99 : x - Step 2: Convert to fraction form
818,074.39/1,227,167.67 = 278,110.99/x - Step 3: Cross multiply
818,074.39x = 1,227,167.67 × 278,110.99 - Step 4: Simplify right side
818,074.39x = 341,288,815,599.69 - Step 5: Solve for x
x = 341,288,815,599.69/818,074.39 - Step 6: Final answer
x = 417,185.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.