Finding the Fourth Proportional to 145,851.44, 201,319.49 and 84,613.10
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Solution
The fourth proportional to 145,851.44, 201,319.49 and 84,613.10 is: 116,791.89
Step by Step Solution
- Step 1: Write the proportion equation
145,851.44 : 201,319.49 = 84,613.10 : x - Step 2: Convert to fraction form
145,851.44/201,319.49 = 84,613.10/x - Step 3: Cross multiply
145,851.44x = 201,319.49 × 84,613.10 - Step 4: Simplify right side
145,851.44x = 17,034,265,716.25 - Step 5: Solve for x
x = 17,034,265,716.25/145,851.44 - Step 6: Final answer
x = 116,791.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.