Finding the Fourth Proportional to 202,572.80, 303,859.20 and 201,260.60
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Solution
The fourth proportional to 202,572.80, 303,859.20 and 201,260.60 is: 301,890.90
Step by Step Solution
- Step 1: Write the proportion equation
202,572.80 : 303,859.20 = 201,260.60 : x - Step 2: Convert to fraction form
202,572.80/303,859.20 = 201,260.60/x - Step 3: Cross multiply
202,572.80x = 303,859.20 × 201,260.60 - Step 4: Simplify right side
202,572.80x = 61,154,884,907.52 - Step 5: Solve for x
x = 61,154,884,907.52/202,572.80 - Step 6: Final answer
x = 301,890.90
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1.5x scale
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.