Finding the Fourth Proportional to 158,845.89, 238,198.86 and 74,629.99
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Solution
The fourth proportional to 158,845.89, 238,198.86 and 74,629.99 is: 111,912.11
Step by Step Solution
- Step 1: Write the proportion equation
158,845.89 : 238,198.86 = 74,629.99 : x - Step 2: Convert to fraction form
158,845.89/238,198.86 = 74,629.99/x - Step 3: Cross multiply
158,845.89x = 238,198.86 × 74,629.99 - Step 4: Simplify right side
158,845.89x = 17,776,778,539.81 - Step 5: Solve for x
x = 17,776,778,539.81/158,845.89 - Step 6: Final answer
x = 111,912.11
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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.