Finding the Fourth Proportional to 202,246.20, 303,369.30 and 83,905.20
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Solution
The fourth proportional to 202,246.20, 303,369.30 and 83,905.20 is: 125,857.80
Step by Step Solution
- Step 1: Write the proportion equation
202,246.20 : 303,369.30 = 83,905.20 : x - Step 2: Convert to fraction form
202,246.20/303,369.30 = 83,905.20/x - Step 3: Cross multiply
202,246.20x = 303,369.30 × 83,905.20 - Step 4: Simplify right side
202,246.20x = 25,454,261,790.36 - Step 5: Solve for x
x = 25,454,261,790.36/202,246.20 - Step 6: Final answer
x = 125,857.80
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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.