Finding the Fourth Proportional to 543,727.80, 815,591.70 and 149,743.80
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Solution
The fourth proportional to 543,727.80, 815,591.70 and 149,743.80 is: 224,615.70
Step by Step Solution
- Step 1: Write the proportion equation
543,727.80 : 815,591.70 = 149,743.80 : x - Step 2: Convert to fraction form
543,727.80/815,591.70 = 149,743.80/x - Step 3: Cross multiply
543,727.80x = 815,591.70 × 149,743.80 - Step 4: Simplify right side
543,727.80x = 122,129,800,406.46 - Step 5: Solve for x
x = 122,129,800,406.46/543,727.80 - Step 6: Final answer
x = 224,615.70
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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.