Finding the Fourth Proportional to 146,718.98, 220,078.55 and 80,122.70
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Solution
The fourth proportional to 146,718.98, 220,078.55 and 80,122.70 is: 120,184.09
Step by Step Solution
- Step 1: Write the proportion equation
146,718.98 : 220,078.55 = 80,122.70 : x - Step 2: Convert to fraction form
146,718.98/220,078.55 = 80,122.70/x - Step 3: Cross multiply
146,718.98x = 220,078.55 × 80,122.70 - Step 4: Simplify right side
146,718.98x = 17,633,286,137.08 - Step 5: Solve for x
x = 17,633,286,137.08/146,718.98 - Step 6: Final answer
x = 120,184.09
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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.