Finding the Fourth Proportional to 222,683.09, 307,322.10 and 122,100.53
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Solution
The fourth proportional to 222,683.09, 307,322.10 and 122,100.53 is: 168,509.39
Step by Step Solution
- Step 1: Write the proportion equation
222,683.09 : 307,322.10 = 122,100.53 : x - Step 2: Convert to fraction form
222,683.09/307,322.10 = 122,100.53/x - Step 3: Cross multiply
222,683.09x = 307,322.10 × 122,100.53 - Step 4: Simplify right side
222,683.09x = 37,524,189,754.10 - Step 5: Solve for x
x = 37,524,189,754.10/222,683.09 - Step 6: Final answer
x = 168,509.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.