Finding the Fourth Proportional to 131,469.14, 197,292.45 and 51,497.19
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Solution
The fourth proportional to 131,469.14, 197,292.45 and 51,497.19 is: 77,280.54
Step by Step Solution
- Step 1: Write the proportion equation
131,469.14 : 197,292.45 = 51,497.19 : x - Step 2: Convert to fraction form
131,469.14/197,292.45 = 51,497.19/x - Step 3: Cross multiply
131,469.14x = 197,292.45 × 51,497.19 - Step 4: Simplify right side
131,469.14x = 10,160,006,517.72 - Step 5: Solve for x
x = 10,160,006,517.72/131,469.14 - Step 6: Final answer
x = 77,280.54
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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.