Finding the Fourth Proportional to 193,910.68, 290,863.84 and 75,665.08
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Solution
The fourth proportional to 193,910.68, 290,863.84 and 75,665.08 is: 113,496.77
Step by Step Solution
- Step 1: Write the proportion equation
193,910.68 : 290,863.84 = 75,665.08 : x - Step 2: Convert to fraction form
193,910.68/290,863.84 = 75,665.08/x - Step 3: Cross multiply
193,910.68x = 290,863.84 × 75,665.08 - Step 4: Simplify right side
193,910.68x = 22,008,235,722.71 - Step 5: Solve for x
x = 22,008,235,722.71/193,910.68 - Step 6: Final answer
x = 113,496.77
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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.