Finding the Fourth Proportional to 225,837.36, 338,626.44 and 68,019.12
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Solution
The fourth proportional to 225,837.36, 338,626.44 and 68,019.12 is: 101,989.65
Step by Step Solution
- Step 1: Write the proportion equation
225,837.36 : 338,626.44 = 68,019.12 : x - Step 2: Convert to fraction form
225,837.36/338,626.44 = 68,019.12/x - Step 3: Cross multiply
225,837.36x = 338,626.44 × 68,019.12 - Step 4: Simplify right side
225,837.36x = 23,033,072,457.53 - Step 5: Solve for x
x = 23,033,072,457.53/225,837.36 - Step 6: Final answer
x = 101,989.65
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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.