Finding the Fourth Proportional to 260,125.92, 389,887.68 and 119,589.60
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Solution
The fourth proportional to 260,125.92, 389,887.68 and 119,589.60 is: 179,245.93
Step by Step Solution
- Step 1: Write the proportion equation
260,125.92 : 389,887.68 = 119,589.60 : x - Step 2: Convert to fraction form
260,125.92/389,887.68 = 119,589.60/x - Step 3: Cross multiply
260,125.92x = 389,887.68 × 119,589.60 - Step 4: Simplify right side
260,125.92x = 46,626,511,696.13 - Step 5: Solve for x
x = 46,626,511,696.13/260,125.92 - Step 6: Final answer
x = 179,245.93
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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.