Finding the Fourth Proportional to 327,722.99, 491,611.17 and 91,065.69
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Solution
The fourth proportional to 327,722.99, 491,611.17 and 91,065.69 is: 136,605.95
Step by Step Solution
- Step 1: Write the proportion equation
327,722.99 : 491,611.17 = 91,065.69 : x - Step 2: Convert to fraction form
327,722.99/491,611.17 = 91,065.69/x - Step 3: Cross multiply
327,722.99x = 491,611.17 × 91,065.69 - Step 4: Simplify right side
327,722.99x = 44,768,910,407.76 - Step 5: Solve for x
x = 44,768,910,407.76/327,722.99 - Step 6: Final answer
x = 136,605.95
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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.