Finding the Fourth Proportional to 202,394.80, 303,592.20 and 84,005.20
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Solution
The fourth proportional to 202,394.80, 303,592.20 and 84,005.20 is: 126,007.80
Step by Step Solution
- Step 1: Write the proportion equation
202,394.80 : 303,592.20 = 84,005.20 : x - Step 2: Convert to fraction form
202,394.80/303,592.20 = 84,005.20/x - Step 3: Cross multiply
202,394.80x = 303,592.20 × 84,005.20 - Step 4: Simplify right side
202,394.80x = 25,503,323,479.44 - Step 5: Solve for x
x = 25,503,323,479.44/202,394.80 - Step 6: Final answer
x = 126,007.80
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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.