Finding the Fourth Proportional to 202,072.40, 303,079.80 and 68,958.80
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Solution
The fourth proportional to 202,072.40, 303,079.80 and 68,958.80 is: 103,428.37
Step by Step Solution
- Step 1: Write the proportion equation
202,072.40 : 303,079.80 = 68,958.80 : x - Step 2: Convert to fraction form
202,072.40/303,079.80 = 68,958.80/x - Step 3: Cross multiply
202,072.40x = 303,079.80 × 68,958.80 - Step 4: Simplify right side
202,072.40x = 20,900,019,312.24 - Step 5: Solve for x
x = 20,900,019,312.24/202,072.40 - Step 6: Final answer
x = 103,428.37
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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.