Finding the Fourth Proportional to 220,201.80, 330,302.70 and 95,785.80
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Solution
The fourth proportional to 220,201.80, 330,302.70 and 95,785.80 is: 143,678.70
Step by Step Solution
- Step 1: Write the proportion equation
220,201.80 : 330,302.70 = 95,785.80 : x - Step 2: Convert to fraction form
220,201.80/330,302.70 = 95,785.80/x - Step 3: Cross multiply
220,201.80x = 330,302.70 × 95,785.80 - Step 4: Simplify right side
220,201.80x = 31,638,308,361.66 - Step 5: Solve for x
x = 31,638,308,361.66/220,201.80 - Step 6: Final answer
x = 143,678.70
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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.