Finding the Fourth Proportional to 161,657.02, 242,517.93 and 68,163.58
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Solution
The fourth proportional to 161,657.02, 242,517.93 and 68,163.58 is: 102,259.03
Step by Step Solution
- Step 1: Write the proportion equation
161,657.02 : 242,517.93 = 68,163.58 : x - Step 2: Convert to fraction form
161,657.02/242,517.93 = 68,163.58/x - Step 3: Cross multiply
161,657.02x = 242,517.93 × 68,163.58 - Step 4: Simplify right side
161,657.02x = 16,530,890,322.99 - Step 5: Solve for x
x = 16,530,890,322.99/161,657.02 - Step 6: Final answer
x = 102,259.03
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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.