Finding the Fourth Proportional to 202,287.48, 278,998.93 and 129,697.31
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Solution
The fourth proportional to 202,287.48, 278,998.93 and 129,697.31 is: 178,881.12
Step by Step Solution
- Step 1: Write the proportion equation
202,287.48 : 278,998.93 = 129,697.31 : x - Step 2: Convert to fraction form
202,287.48/278,998.93 = 129,697.31/x - Step 3: Cross multiply
202,287.48x = 278,998.93 × 129,697.31 - Step 4: Simplify right side
202,287.48x = 36,185,410,713.88 - Step 5: Solve for x
x = 36,185,410,713.88/202,287.48 - Step 6: Final answer
x = 178,881.12
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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.