Finding the Fourth Proportional to 202,070.28, 303,105.45 and 89,724.09
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Solution
The fourth proportional to 202,070.28, 303,105.45 and 89,724.09 is: 134,586.15
Step by Step Solution
- Step 1: Write the proportion equation
202,070.28 : 303,105.45 = 89,724.09 : x - Step 2: Convert to fraction form
202,070.28/303,105.45 = 89,724.09/x - Step 3: Cross multiply
202,070.28x = 303,105.45 × 89,724.09 - Step 4: Simplify right side
202,070.28x = 27,195,860,675.29 - Step 5: Solve for x
x = 27,195,860,675.29/202,070.28 - Step 6: Final answer
x = 134,586.15
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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.