Finding the Fourth Proportional to 190,236.48, 285,268.44 and 71,823.80
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Solution
The fourth proportional to 190,236.48, 285,268.44 and 71,823.80 is: 107,703.12
Step by Step Solution
- Step 1: Write the proportion equation
190,236.48 : 285,268.44 = 71,823.80 : x - Step 2: Convert to fraction form
190,236.48/285,268.44 = 71,823.80/x - Step 3: Cross multiply
190,236.48x = 285,268.44 × 71,823.80 - Step 4: Simplify right side
190,236.48x = 20,489,063,380.87 - Step 5: Solve for x
x = 20,489,063,380.87/190,236.48 - Step 6: Final answer
x = 107,703.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.