Finding the Fourth Proportional to 382,990.12, 574,747.66 and 133,672.12
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Solution
The fourth proportional to 382,990.12, 574,747.66 and 133,672.12 is: 200,599.79
Step by Step Solution
- Step 1: Write the proportion equation
382,990.12 : 574,747.66 = 133,672.12 : x - Step 2: Convert to fraction form
382,990.12/574,747.66 = 133,672.12/x - Step 3: Cross multiply
382,990.12x = 574,747.66 × 133,672.12 - Step 4: Simplify right side
382,990.12x = 76,827,738,177.24 - Step 5: Solve for x
x = 76,827,738,177.24/382,990.12 - Step 6: Final answer
x = 200,599.79
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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.