Finding the Fourth Proportional to 202,129.40, 303,230.55 and 83,812.70
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Solution
The fourth proportional to 202,129.40, 303,230.55 and 83,812.70 is: 125,734.16
Step by Step Solution
- Step 1: Write the proportion equation
202,129.40 : 303,230.55 = 83,812.70 : x - Step 2: Convert to fraction form
202,129.40/303,230.55 = 83,812.70/x - Step 3: Cross multiply
202,129.40x = 303,230.55 × 83,812.70 - Step 4: Simplify right side
202,129.40x = 25,414,571,117.99 - Step 5: Solve for x
x = 25,414,571,117.99/202,129.40 - Step 6: Final answer
x = 125,734.16
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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.