Finding the Fourth Proportional to 697,486.75, 1,046,239.85 and 198,850.75
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Solution
The fourth proportional to 697,486.75, 1,046,239.85 and 198,850.75 is: 298,278.90
Step by Step Solution
- Step 1: Write the proportion equation
697,486.75 : 1,046,239.85 = 198,850.75 : x - Step 2: Convert to fraction form
697,486.75/1,046,239.85 = 198,850.75/x - Step 3: Cross multiply
697,486.75x = 1,046,239.85 × 198,850.75 - Step 4: Simplify right side
697,486.75x = 208,045,578,852.39 - Step 5: Solve for x
x = 208,045,578,852.39/697,486.75 - Step 6: Final answer
x = 298,278.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.