Finding the Fourth Proportional to 326,674.62, 490,073.81 and 113,434.20
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Solution
The fourth proportional to 326,674.62, 490,073.81 and 113,434.20 is: 170,172.79
Step by Step Solution
- Step 1: Write the proportion equation
326,674.62 : 490,073.81 = 113,434.20 : x - Step 2: Convert to fraction form
326,674.62/490,073.81 = 113,434.20/x - Step 3: Cross multiply
326,674.62x = 490,073.81 × 113,434.20 - Step 4: Simplify right side
326,674.62x = 55,591,130,011.13 - Step 5: Solve for x
x = 55,591,130,011.13/326,674.62 - Step 6: Final answer
x = 170,172.79
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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.