Finding the Fourth Proportional to 205,409.80, 308,114.70 and 193,745.80
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Solution
The fourth proportional to 205,409.80, 308,114.70 and 193,745.80 is: 290,618.70
Step by Step Solution
- Step 1: Write the proportion equation
205,409.80 : 308,114.70 = 193,745.80 : x - Step 2: Convert to fraction form
205,409.80/308,114.70 = 193,745.80/x - Step 3: Cross multiply
205,409.80x = 308,114.70 × 193,745.80 - Step 4: Simplify right side
205,409.80x = 59,695,929,043.26 - Step 5: Solve for x
x = 59,695,929,043.26/205,409.80 - Step 6: Final answer
x = 290,618.70
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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.