Finding the Fourth Proportional to 202,469.10, 303,530.85 and 143,118.06
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Solution
The fourth proportional to 202,469.10, 303,530.85 and 143,118.06 is: 214,554.94
Step by Step Solution
- Step 1: Write the proportion equation
202,469.10 : 303,530.85 = 143,118.06 : x - Step 2: Convert to fraction form
202,469.10/303,530.85 = 143,118.06/x - Step 3: Cross multiply
202,469.10x = 303,530.85 × 143,118.06 - Step 4: Simplify right side
202,469.10x = 43,440,746,402.15 - Step 5: Solve for x
x = 43,440,746,402.15/202,469.10 - Step 6: Final answer
x = 214,554.94
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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.