Finding the Fourth Proportional to 202,173.20, 303,332.70 and 83,880.80
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Solution
The fourth proportional to 202,173.20, 303,332.70 and 83,880.80 is: 125,851.45
Step by Step Solution
- Step 1: Write the proportion equation
202,173.20 : 303,332.70 = 83,880.80 : x - Step 2: Convert to fraction form
202,173.20/303,332.70 = 83,880.80/x - Step 3: Cross multiply
202,173.20x = 303,332.70 × 83,880.80 - Step 4: Simplify right side
202,173.20x = 25,443,789,542.16 - Step 5: Solve for x
x = 25,443,789,542.16/202,173.20 - Step 6: Final answer
x = 125,851.45
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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.