Finding the Fourth Proportional to 202,637.63, 303,909.97 and 76,290.99
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Solution
The fourth proportional to 202,637.63, 303,909.97 and 76,290.99 is: 114,418.99
Step by Step Solution
- Step 1: Write the proportion equation
202,637.63 : 303,909.97 = 76,290.99 : x - Step 2: Convert to fraction form
202,637.63/303,909.97 = 76,290.99/x - Step 3: Cross multiply
202,637.63x = 303,909.97 × 76,290.99 - Step 4: Simplify right side
202,637.63x = 23,185,592,100.72 - Step 5: Solve for x
x = 23,185,592,100.72/202,637.63 - Step 6: Final answer
x = 114,418.99
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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.