Finding the Fourth Proportional to 144,370.70, 199,286.27 and 129,235.98
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Solution
The fourth proportional to 144,370.70, 199,286.27 and 129,235.98 is: 178,394.62
Step by Step Solution
- Step 1: Write the proportion equation
144,370.70 : 199,286.27 = 129,235.98 : x - Step 2: Convert to fraction form
144,370.70/199,286.27 = 129,235.98/x - Step 3: Cross multiply
144,370.70x = 199,286.27 × 129,235.98 - Step 4: Simplify right side
144,370.70x = 25,754,957,156.23 - Step 5: Solve for x
x = 25,754,957,156.23/144,370.70 - Step 6: Final answer
x = 178,394.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.