Finding the Fourth Proportional to 419,957.44, 629,806.84 and 120,357.68
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Solution
The fourth proportional to 419,957.44, 629,806.84 and 120,357.68 is: 180,499.46
Step by Step Solution
- Step 1: Write the proportion equation
419,957.44 : 629,806.84 = 120,357.68 : x - Step 2: Convert to fraction form
419,957.44/629,806.84 = 120,357.68/x - Step 3: Cross multiply
419,957.44x = 629,806.84 × 120,357.68 - Step 4: Simplify right side
419,957.44x = 75,802,090,110.53 - Step 5: Solve for x
x = 75,802,090,110.53/419,957.44 - Step 6: Final answer
x = 180,499.46
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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.