Finding the Fourth Proportional to 346,205.20, 477,765.12 and 195,311.92
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Solution
The fourth proportional to 346,205.20, 477,765.12 and 195,311.92 is: 269,531.55
Step by Step Solution
- Step 1: Write the proportion equation
346,205.20 : 477,765.12 = 195,311.92 : x - Step 2: Convert to fraction form
346,205.20/477,765.12 = 195,311.92/x - Step 3: Cross multiply
346,205.20x = 477,765.12 × 195,311.92 - Step 4: Simplify right side
346,205.20x = 93,313,222,896.23 - Step 5: Solve for x
x = 93,313,222,896.23/346,205.20 - Step 6: Final answer
x = 269,531.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.