Finding the Fourth Proportional to 211,414.12, 317,090.43 and 61,614.19
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Solution
The fourth proportional to 211,414.12, 317,090.43 and 61,614.19 is: 92,412.32
Step by Step Solution
- Step 1: Write the proportion equation
211,414.12 : 317,090.43 = 61,614.19 : x - Step 2: Convert to fraction form
211,414.12/317,090.43 = 61,614.19/x - Step 3: Cross multiply
211,414.12x = 317,090.43 × 61,614.19 - Step 4: Simplify right side
211,414.12x = 19,537,270,001.20 - Step 5: Solve for x
x = 19,537,270,001.20/211,414.12 - Step 6: Final answer
x = 92,412.32
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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.