Finding the Fourth Proportional to 160,399.62, 240,910.82 and 118,112.68
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Solution
The fourth proportional to 160,399.62, 240,910.82 and 118,112.68 is: 177,398.32
Step by Step Solution
- Step 1: Write the proportion equation
160,399.62 : 240,910.82 = 118,112.68 : x - Step 2: Convert to fraction form
160,399.62/240,910.82 = 118,112.68/x - Step 3: Cross multiply
160,399.62x = 240,910.82 × 118,112.68 - Step 4: Simplify right side
160,399.62x = 28,454,622,591.20 - Step 5: Solve for x
x = 28,454,622,591.20/160,399.62 - Step 6: Final answer
x = 177,398.32
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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.