Finding the Fourth Proportional to 201,409.09, 302,048.96 and 66,442.82
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Solution
The fourth proportional to 201,409.09, 302,048.96 and 66,442.82 is: 99,642.90
Step by Step Solution
- Step 1: Write the proportion equation
201,409.09 : 302,048.96 = 66,442.82 : x - Step 2: Convert to fraction form
201,409.09/302,048.96 = 66,442.82/x - Step 3: Cross multiply
201,409.09x = 302,048.96 × 66,442.82 - Step 4: Simplify right side
201,409.09x = 20,068,984,348.25 - Step 5: Solve for x
x = 20,068,984,348.25/201,409.09 - Step 6: Final answer
x = 99,642.90
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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.