Finding the Fourth Proportional to 317,284.97, 437,605.79 and 196,493.31
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Solution
The fourth proportional to 317,284.97, 437,605.79 and 196,493.31 is: 271,007.51
Step by Step Solution
- Step 1: Write the proportion equation
317,284.97 : 437,605.79 = 196,493.31 : x - Step 2: Convert to fraction form
317,284.97/437,605.79 = 196,493.31/x - Step 3: Cross multiply
317,284.97x = 437,605.79 × 196,493.31 - Step 4: Simplify right side
317,284.97x = 85,986,609,169.80 - Step 5: Solve for x
x = 85,986,609,169.80/317,284.97 - Step 6: Final answer
x = 271,007.51
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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.