Finding the Fourth Proportional to 202,201.60, 303,496.80 and 102,474.40
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Solution
The fourth proportional to 202,201.60, 303,496.80 and 102,474.40 is: 153,810.12
Step by Step Solution
- Step 1: Write the proportion equation
202,201.60 : 303,496.80 = 102,474.40 : x - Step 2: Convert to fraction form
202,201.60/303,496.80 = 102,474.40/x - Step 3: Cross multiply
202,201.60x = 303,496.80 × 102,474.40 - Step 4: Simplify right side
202,201.60x = 31,100,652,481.92 - Step 5: Solve for x
x = 31,100,652,481.92/202,201.60 - Step 6: Final answer
x = 153,810.12
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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.