Finding the Fourth Proportional to 201,448.26, 302,110.50 and 66,487.47
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Solution
The fourth proportional to 201,448.26, 302,110.50 and 66,487.47 is: 99,710.78
Step by Step Solution
- Step 1: Write the proportion equation
201,448.26 : 302,110.50 = 66,487.47 : x - Step 2: Convert to fraction form
201,448.26/302,110.50 = 66,487.47/x - Step 3: Cross multiply
201,448.26x = 302,110.50 × 66,487.47 - Step 4: Simplify right side
201,448.26x = 20,086,562,805.44 - Step 5: Solve for x
x = 20,086,562,805.44/201,448.26 - Step 6: Final answer
x = 99,710.78
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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.