Finding the Fourth Proportional to 202,201.36, 303,056.06 and 143,054.08
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Solution
The fourth proportional to 202,201.36, 303,056.06 and 143,054.08 is: 214,407.09
Step by Step Solution
- Step 1: Write the proportion equation
202,201.36 : 303,056.06 = 143,054.08 : x - Step 2: Convert to fraction form
202,201.36/303,056.06 = 143,054.08/x - Step 3: Cross multiply
202,201.36x = 303,056.06 × 143,054.08 - Step 4: Simplify right side
202,201.36x = 43,353,405,851.72 - Step 5: Solve for x
x = 43,353,405,851.72/202,201.36 - Step 6: Final answer
x = 214,407.09
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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.