Finding the Fourth Proportional to 281,093.91, 420,965.16 and 160,786.23
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Solution
The fourth proportional to 281,093.91, 420,965.16 and 160,786.23 is: 240,792.84
Step by Step Solution
- Step 1: Write the proportion equation
281,093.91 : 420,965.16 = 160,786.23 : x - Step 2: Convert to fraction form
281,093.91/420,965.16 = 160,786.23/x - Step 3: Cross multiply
281,093.91x = 420,965.16 × 160,786.23 - Step 4: Simplify right side
281,093.91x = 67,685,401,037.75 - Step 5: Solve for x
x = 67,685,401,037.75/281,093.91 - Step 6: Final answer
x = 240,792.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.