Finding the Fourth Proportional to 326,953.57, 490,439.58 and 90,296.26
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Solution
The fourth proportional to 326,953.57, 490,439.58 and 90,296.26 is: 135,446.94
Step by Step Solution
- Step 1: Write the proportion equation
326,953.57 : 490,439.58 = 90,296.26 : x - Step 2: Convert to fraction form
326,953.57/490,439.58 = 90,296.26/x - Step 3: Cross multiply
326,953.57x = 490,439.58 × 90,296.26 - Step 4: Simplify right side
326,953.57x = 44,284,859,829.97 - Step 5: Solve for x
x = 44,284,859,829.97/326,953.57 - Step 6: Final answer
x = 135,446.94
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1.5x scale
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.