Finding the Fourth Proportional to 201,404.75, 302,042.63 and 66,438.62
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Solution
The fourth proportional to 201,404.75, 302,042.63 and 66,438.62 is: 99,636.65
Step by Step Solution
- Step 1: Write the proportion equation
201,404.75 : 302,042.63 = 66,438.62 : x - Step 2: Convert to fraction form
201,404.75/302,042.63 = 66,438.62/x - Step 3: Cross multiply
201,404.75x = 302,042.63 × 66,438.62 - Step 4: Simplify right side
201,404.75x = 20,067,294,008.16 - Step 5: Solve for x
x = 20,067,294,008.16/201,404.75 - Step 6: Final answer
x = 99,636.65
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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.