Finding the Fourth Proportional to 220,122.08, 303,766.80 and 119,520.80
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Solution
The fourth proportional to 220,122.08, 303,766.80 and 119,520.80 is: 164,937.80
Step by Step Solution
- Step 1: Write the proportion equation
220,122.08 : 303,766.80 = 119,520.80 : x - Step 2: Convert to fraction form
220,122.08/303,766.80 = 119,520.80/x - Step 3: Cross multiply
220,122.08x = 303,766.80 × 119,520.80 - Step 4: Simplify right side
220,122.08x = 36,306,450,949.44 - Step 5: Solve for x
x = 36,306,450,949.44/220,122.08 - Step 6: Final answer
x = 164,937.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.