Finding the Fourth Proportional to 202,609.05, 303,727.80 and 77,856.09
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Solution
The fourth proportional to 202,609.05, 303,727.80 and 77,856.09 is: 116,712.75
Step by Step Solution
- Step 1: Write the proportion equation
202,609.05 : 303,727.80 = 77,856.09 : x - Step 2: Convert to fraction form
202,609.05/303,727.80 = 77,856.09/x - Step 3: Cross multiply
202,609.05x = 303,727.80 × 77,856.09 - Step 4: Simplify right side
202,609.05x = 23,647,058,932.30 - Step 5: Solve for x
x = 23,647,058,932.30/202,609.05 - Step 6: Final answer
x = 116,712.75
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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.