Finding the Fourth Proportional to 242,109.87, 363,161.85 and 108,896.05
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Solution
The fourth proportional to 242,109.87, 363,161.85 and 108,896.05 is: 163,342.75
Step by Step Solution
- Step 1: Write the proportion equation
242,109.87 : 363,161.85 = 108,896.05 : x - Step 2: Convert to fraction form
242,109.87/363,161.85 = 108,896.05/x - Step 3: Cross multiply
242,109.87x = 363,161.85 × 108,896.05 - Step 4: Simplify right side
242,109.87x = 39,546,890,975.69 - Step 5: Solve for x
x = 39,546,890,975.69/242,109.87 - Step 6: Final answer
x = 163,342.75
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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.