Finding the Fourth Proportional to 202,246.80, 303,807.60 and 143,197.80
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Solution
The fourth proportional to 202,246.80, 303,807.60 and 143,197.80 is: 215,106.39
Step by Step Solution
- Step 1: Write the proportion equation
202,246.80 : 303,807.60 = 143,197.80 : x - Step 2: Convert to fraction form
202,246.80/303,807.60 = 143,197.80/x - Step 3: Cross multiply
202,246.80x = 303,807.60 × 143,197.80 - Step 4: Simplify right side
202,246.80x = 43,504,579,943.28 - Step 5: Solve for x
x = 43,504,579,943.28/202,246.80 - Step 6: Final answer
x = 215,106.39
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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.