Finding the Fourth Proportional to 393,729.24, 590,679.99 and 127,516.66
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Solution
The fourth proportional to 393,729.24, 590,679.99 and 127,516.66 is: 191,302.89
Step by Step Solution
- Step 1: Write the proportion equation
393,729.24 : 590,679.99 = 127,516.66 : x - Step 2: Convert to fraction form
393,729.24/590,679.99 = 127,516.66/x - Step 3: Cross multiply
393,729.24x = 590,679.99 × 127,516.66 - Step 4: Simplify right side
393,729.24x = 75,321,540,191.98 - Step 5: Solve for x
x = 75,321,540,191.98/393,729.24 - Step 6: Final answer
x = 191,302.89
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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.