Finding the Fourth Proportional to 220,544.10, 330,160.05 and 145,748.70
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Solution
The fourth proportional to 220,544.10, 330,160.05 and 145,748.70 is: 218,189.46
Step by Step Solution
- Step 1: Write the proportion equation
220,544.10 : 330,160.05 = 145,748.70 : x - Step 2: Convert to fraction form
220,544.10/330,160.05 = 145,748.70/x - Step 3: Cross multiply
220,544.10x = 330,160.05 × 145,748.70 - Step 4: Simplify right side
220,544.10x = 48,120,398,079.44 - Step 5: Solve for x
x = 48,120,398,079.44/220,544.10 - Step 6: Final answer
x = 218,189.46
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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.