Finding the Fourth Proportional to 202,135.40, 302,960.10 and 83,745.80
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Solution
The fourth proportional to 202,135.40, 302,960.10 and 83,745.80 is: 125,518.02
Step by Step Solution
- Step 1: Write the proportion equation
202,135.40 : 302,960.10 = 83,745.80 : x - Step 2: Convert to fraction form
202,135.40/302,960.10 = 83,745.80/x - Step 3: Cross multiply
202,135.40x = 302,960.10 × 83,745.80 - Step 4: Simplify right side
202,135.40x = 25,371,635,942.58 - Step 5: Solve for x
x = 25,371,635,942.58/202,135.40 - Step 6: Final answer
x = 125,518.02
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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.