Finding the Fourth Proportional to 107,260.34, 160,840.49 and 39,789.68
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Solution
The fourth proportional to 107,260.34, 160,840.49 and 39,789.68 is: 59,665.96
Step by Step Solution
- Step 1: Write the proportion equation
107,260.34 : 160,840.49 = 39,789.68 : x - Step 2: Convert to fraction form
107,260.34/160,840.49 = 39,789.68/x - Step 3: Cross multiply
107,260.34x = 160,840.49 × 39,789.68 - Step 4: Simplify right side
107,260.34x = 6,399,790,624.99 - Step 5: Solve for x
x = 6,399,790,624.99/107,260.34 - Step 6: Final answer
x = 59,665.96
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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.