Finding the Fourth Proportional to 320,180.19, 479,227.68 and 235,906.71
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Solution
The fourth proportional to 320,180.19, 479,227.68 and 235,906.71 is: 353,091.88
Step by Step Solution
- Step 1: Write the proportion equation
320,180.19 : 479,227.68 = 235,906.71 : x - Step 2: Convert to fraction form
320,180.19/479,227.68 = 235,906.71/x - Step 3: Cross multiply
320,180.19x = 479,227.68 × 235,906.71 - Step 4: Simplify right side
320,180.19x = 113,053,025,329.73 - Step 5: Solve for x
x = 113,053,025,329.73/320,180.19 - Step 6: Final answer
x = 353,091.88
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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.