Finding the Fourth Proportional to 220,851.40, 331,277.10 and 146,201.80
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Solution
The fourth proportional to 220,851.40, 331,277.10 and 146,201.80 is: 219,302.70
Step by Step Solution
- Step 1: Write the proportion equation
220,851.40 : 331,277.10 = 146,201.80 : x - Step 2: Convert to fraction form
220,851.40/331,277.10 = 146,201.80/x - Step 3: Cross multiply
220,851.40x = 331,277.10 × 146,201.80 - Step 4: Simplify right side
220,851.40x = 48,433,308,318.78 - Step 5: Solve for x
x = 48,433,308,318.78/220,851.40 - Step 6: Final answer
x = 219,302.70
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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.