Finding the Fourth Proportional to 449,668.80, 674,591.76 and 134,118.72
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Solution
The fourth proportional to 449,668.80, 674,591.76 and 134,118.72 is: 201,204.49
Step by Step Solution
- Step 1: Write the proportion equation
449,668.80 : 674,591.76 = 134,118.72 : x - Step 2: Convert to fraction form
449,668.80/674,591.76 = 134,118.72/x - Step 3: Cross multiply
449,668.80x = 674,591.76 × 134,118.72 - Step 4: Simplify right side
449,668.80x = 90,475,383,373.75 - Step 5: Solve for x
x = 90,475,383,373.75/449,668.80 - Step 6: Final answer
x = 201,204.49
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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.