Finding the Fourth Proportional to 230,936.44, 318,658.08 and 140,245.12
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Solution
The fourth proportional to 230,936.44, 318,658.08 and 140,245.12 is: 193,517.49
Step by Step Solution
- Step 1: Write the proportion equation
230,936.44 : 318,658.08 = 140,245.12 : x - Step 2: Convert to fraction form
230,936.44/318,658.08 = 140,245.12/x - Step 3: Cross multiply
230,936.44x = 318,658.08 × 140,245.12 - Step 4: Simplify right side
230,936.44x = 44,690,240,668.57 - Step 5: Solve for x
x = 44,690,240,668.57/230,936.44 - Step 6: Final answer
x = 193,517.49
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1.5x scale
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.