Finding the Fourth Proportional to 102,896.44, 154,350.62 and 39,716.90
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Solution
The fourth proportional to 102,896.44, 154,350.62 and 39,716.90 is: 59,577.65
Step by Step Solution
- Step 1: Write the proportion equation
102,896.44 : 154,350.62 = 39,716.90 : x - Step 2: Convert to fraction form
102,896.44/154,350.62 = 39,716.90/x - Step 3: Cross multiply
102,896.44x = 154,350.62 × 39,716.90 - Step 4: Simplify right side
102,896.44x = 6,130,328,139.48 - Step 5: Solve for x
x = 6,130,328,139.48/102,896.44 - Step 6: Final answer
x = 59,577.65
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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.