Finding the Fourth Proportional to 216,533.96, 324,793.26 and 98,122.40
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Solution
The fourth proportional to 216,533.96, 324,793.26 and 98,122.40 is: 147,180.12
Step by Step Solution
- Step 1: Write the proportion equation
216,533.96 : 324,793.26 = 98,122.40 : x - Step 2: Convert to fraction form
216,533.96/324,793.26 = 98,122.40/x - Step 3: Cross multiply
216,533.96x = 324,793.26 × 98,122.40 - Step 4: Simplify right side
216,533.96x = 31,869,494,175.02 - Step 5: Solve for x
x = 31,869,494,175.02/216,533.96 - Step 6: Final answer
x = 147,180.12
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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.