Finding the Fourth Proportional to 641,374.26, 961,790.69 and 192,158.97
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Solution
The fourth proportional to 641,374.26, 961,790.69 and 192,158.97 is: 288,157.35
Step by Step Solution
- Step 1: Write the proportion equation
641,374.26 : 961,790.69 = 192,158.97 : x - Step 2: Convert to fraction form
641,374.26/961,790.69 = 192,158.97/x - Step 3: Cross multiply
641,374.26x = 961,790.69 × 192,158.97 - Step 4: Simplify right side
641,374.26x = 184,816,702,576.24 - Step 5: Solve for x
x = 184,816,702,576.24/641,374.26 - Step 6: Final answer
x = 288,157.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.