Finding the Fourth Proportional to 220,896.40, 331,344.60 and 115,701.70
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Solution
The fourth proportional to 220,896.40, 331,344.60 and 115,701.70 is: 173,552.55
Step by Step Solution
- Step 1: Write the proportion equation
220,896.40 : 331,344.60 = 115,701.70 : x - Step 2: Convert to fraction form
220,896.40/331,344.60 = 115,701.70/x - Step 3: Cross multiply
220,896.40x = 331,344.60 × 115,701.70 - Step 4: Simplify right side
220,896.40x = 38,337,133,505.82 - Step 5: Solve for x
x = 38,337,133,505.82/220,896.40 - Step 6: Final answer
x = 173,552.55
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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.