Finding the Fourth Proportional to 211,713.60, 317,537.49 and 61,918.68
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Solution
The fourth proportional to 211,713.60, 317,537.49 and 61,918.68 is: 92,868.39
Step by Step Solution
- Step 1: Write the proportion equation
211,713.60 : 317,537.49 = 61,918.68 : x - Step 2: Convert to fraction form
211,713.60/317,537.49 = 61,918.68/x - Step 3: Cross multiply
211,713.60x = 317,537.49 × 61,918.68 - Step 4: Simplify right side
211,713.60x = 19,661,502,231.31 - Step 5: Solve for x
x = 19,661,502,231.31/211,713.60 - Step 6: Final answer
x = 92,868.39
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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.