Finding the Fourth Proportional to 146,542.20, 202,229.52 and 79,474.20
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Solution
The fourth proportional to 146,542.20, 202,229.52 and 79,474.20 is: 109,675.09
Step by Step Solution
- Step 1: Write the proportion equation
146,542.20 : 202,229.52 = 79,474.20 : x - Step 2: Convert to fraction form
146,542.20/202,229.52 = 79,474.20/x - Step 3: Cross multiply
146,542.20x = 202,229.52 × 79,474.20 - Step 4: Simplify right side
146,542.20x = 16,072,029,318.38 - Step 5: Solve for x
x = 16,072,029,318.38/146,542.20 - Step 6: Final answer
x = 109,675.09
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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.