Finding the Fourth Proportional to 252,046.08, 378,224.64 and 139,812.48
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Solution
The fourth proportional to 252,046.08, 378,224.64 and 139,812.48 is: 209,804.99
Step by Step Solution
- Step 1: Write the proportion equation
252,046.08 : 378,224.64 = 139,812.48 : x - Step 2: Convert to fraction form
252,046.08/378,224.64 = 139,812.48/x - Step 3: Cross multiply
252,046.08x = 378,224.64 × 139,812.48 - Step 4: Simplify right side
252,046.08x = 52,880,524,915.51 - Step 5: Solve for x
x = 52,880,524,915.51/252,046.08 - Step 6: Final answer
x = 209,804.99
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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.