Finding the Fourth Proportional to 146,553.80, 219,844.62 and 39,939.08
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Solution
The fourth proportional to 146,553.80, 219,844.62 and 39,939.08 is: 59,912.41
Step by Step Solution
- Step 1: Write the proportion equation
146,553.80 : 219,844.62 = 39,939.08 : x - Step 2: Convert to fraction form
146,553.80/219,844.62 = 39,939.08/x - Step 3: Cross multiply
146,553.80x = 219,844.62 × 39,939.08 - Step 4: Simplify right side
146,553.80x = 8,780,391,865.75 - Step 5: Solve for x
x = 8,780,391,865.75/146,553.80 - Step 6: Final answer
x = 59,912.41
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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.