Finding the Fourth Proportional to 332,193.20, 498,289.80 and 121,803.80
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Solution
The fourth proportional to 332,193.20, 498,289.80 and 121,803.80 is: 182,705.70
Step by Step Solution
- Step 1: Write the proportion equation
332,193.20 : 498,289.80 = 121,803.80 : x - Step 2: Convert to fraction form
332,193.20/498,289.80 = 121,803.80/x - Step 3: Cross multiply
332,193.20x = 498,289.80 × 121,803.80 - Step 4: Simplify right side
332,193.20x = 60,693,591,141.24 - Step 5: Solve for x
x = 60,693,591,141.24/332,193.20 - Step 6: Final answer
x = 182,705.70
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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.