Finding the Fourth Proportional to 208,541.70, 312,812.55 and 182,297.70
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Solution
The fourth proportional to 208,541.70, 312,812.55 and 182,297.70 is: 273,446.55
Step by Step Solution
- Step 1: Write the proportion equation
208,541.70 : 312,812.55 = 182,297.70 : x - Step 2: Convert to fraction form
208,541.70/312,812.55 = 182,297.70/x - Step 3: Cross multiply
208,541.70x = 312,812.55 × 182,297.70 - Step 4: Simplify right side
208,541.70x = 57,025,008,396.14 - Step 5: Solve for x
x = 57,025,008,396.14/208,541.70 - Step 6: Final answer
x = 273,446.55
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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.