Finding the Fourth Proportional to 393,575.96, 590,367.36 and 113,093.12
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Solution
The fourth proportional to 393,575.96, 590,367.36 and 113,093.12 is: 169,640.66
Step by Step Solution
- Step 1: Write the proportion equation
393,575.96 : 590,367.36 = 113,093.12 : x - Step 2: Convert to fraction form
393,575.96/590,367.36 = 113,093.12/x - Step 3: Cross multiply
393,575.96x = 590,367.36 × 113,093.12 - Step 4: Simplify right side
393,575.96x = 66,766,486,688.56 - Step 5: Solve for x
x = 66,766,486,688.56/393,575.96 - Step 6: Final answer
x = 169,640.66
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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.