Finding the Fourth Proportional to 820,201.80, 1,230,302.70 and 229,225.80
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Solution
The fourth proportional to 820,201.80, 1,230,302.70 and 229,225.80 is: 343,838.70
Step by Step Solution
- Step 1: Write the proportion equation
820,201.80 : 1,230,302.70 = 229,225.80 : x - Step 2: Convert to fraction form
820,201.80/1,230,302.70 = 229,225.80/x - Step 3: Cross multiply
820,201.80x = 1,230,302.70 × 229,225.80 - Step 4: Simplify right side
820,201.80x = 282,017,120,649.66 - Step 5: Solve for x
x = 282,017,120,649.66/820,201.80 - Step 6: Final answer
x = 343,838.70
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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.