Finding the Fourth Proportional to 202,134.80, 303,202.20 and 143,085.80
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Solution
The fourth proportional to 202,134.80, 303,202.20 and 143,085.80 is: 214,628.70
Step by Step Solution
- Step 1: Write the proportion equation
202,134.80 : 303,202.20 = 143,085.80 : x - Step 2: Convert to fraction form
202,134.80/303,202.20 = 143,085.80/x - Step 3: Cross multiply
202,134.80x = 303,202.20 × 143,085.80 - Step 4: Simplify right side
202,134.80x = 43,383,929,348.76 - Step 5: Solve for x
x = 43,383,929,348.76/202,134.80 - Step 6: Final answer
x = 214,628.70
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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.