Finding the Fourth Proportional to 170,613.87, 235,446.49 and 94,137.73
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Solution
The fourth proportional to 170,613.87, 235,446.49 and 94,137.73 is: 129,909.70
Step by Step Solution
- Step 1: Write the proportion equation
170,613.87 : 235,446.49 = 94,137.73 : x - Step 2: Convert to fraction form
170,613.87/235,446.49 = 94,137.73/x - Step 3: Cross multiply
170,613.87x = 235,446.49 × 94,137.73 - Step 4: Simplify right side
170,613.87x = 22,164,397,766.79 - Step 5: Solve for x
x = 22,164,397,766.79/170,613.87 - Step 6: Final answer
x = 129,909.70
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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.