Finding the Fourth Proportional to 268,982.75, 402,350.45 and 189,015.09
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Solution
The fourth proportional to 268,982.75, 402,350.45 and 189,015.09 is: 282,733.03
Step by Step Solution
- Step 1: Write the proportion equation
268,982.75 : 402,350.45 = 189,015.09 : x - Step 2: Convert to fraction form
268,982.75/402,350.45 = 189,015.09/x - Step 3: Cross multiply
268,982.75x = 402,350.45 × 189,015.09 - Step 4: Simplify right side
268,982.75x = 76,050,305,573.22 - Step 5: Solve for x
x = 76,050,305,573.22/268,982.75 - Step 6: Final answer
x = 282,733.03
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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.