Finding the Fourth Proportional to 308,687.70, 463,065.57 and 98,276.70
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Solution
The fourth proportional to 308,687.70, 463,065.57 and 98,276.70 is: 147,425.88
Step by Step Solution
- Step 1: Write the proportion equation
308,687.70 : 463,065.57 = 98,276.70 : x - Step 2: Convert to fraction form
308,687.70/463,065.57 = 98,276.70/x - Step 3: Cross multiply
308,687.70x = 463,065.57 × 98,276.70 - Step 4: Simplify right side
308,687.70x = 45,508,556,103.22 - Step 5: Solve for x
x = 45,508,556,103.22/308,687.70 - Step 6: Final answer
x = 147,425.88
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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.