Finding the Fourth Proportional to 344,425.94, 516,644.18 and 131,205.70
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Solution
The fourth proportional to 344,425.94, 516,644.18 and 131,205.70 is: 196,810.56
Step by Step Solution
- Step 1: Write the proportion equation
344,425.94 : 516,644.18 = 131,205.70 : x - Step 2: Convert to fraction form
344,425.94/516,644.18 = 131,205.70/x - Step 3: Cross multiply
344,425.94x = 516,644.18 × 131,205.70 - Step 4: Simplify right side
344,425.94x = 67,786,661,287.83 - Step 5: Solve for x
x = 67,786,661,287.83/344,425.94 - Step 6: Final answer
x = 196,810.56
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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.