Finding the Fourth Proportional to 207,467.60, 311,201.40 and 202,859.60
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Solution
The fourth proportional to 207,467.60, 311,201.40 and 202,859.60 is: 304,289.40
Step by Step Solution
- Step 1: Write the proportion equation
207,467.60 : 311,201.40 = 202,859.60 : x - Step 2: Convert to fraction form
207,467.60/311,201.40 = 202,859.60/x - Step 3: Cross multiply
207,467.60x = 311,201.40 × 202,859.60 - Step 4: Simplify right side
207,467.60x = 63,130,191,523.44 - Step 5: Solve for x
x = 63,130,191,523.44/207,467.60 - Step 6: Final answer
x = 304,289.40
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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.