Finding the Fourth Proportional to 263,630.43, 363,808.08 and 142,768.94
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Solution
The fourth proportional to 263,630.43, 363,808.08 and 142,768.94 is: 197,020.09
Step by Step Solution
- Step 1: Write the proportion equation
263,630.43 : 363,808.08 = 142,768.94 : x - Step 2: Convert to fraction form
263,630.43/363,808.08 = 142,768.94/x - Step 3: Cross multiply
263,630.43x = 363,808.08 × 142,768.94 - Step 4: Simplify right side
263,630.43x = 51,940,492,125.99 - Step 5: Solve for x
x = 51,940,492,125.99/263,630.43 - Step 6: Final answer
x = 197,020.09
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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.