Finding the Fourth Proportional to 393,766.26, 590,707.35 and 127,438.26
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Solution
The fourth proportional to 393,766.26, 590,707.35 and 127,438.26 is: 191,176.15
Step by Step Solution
- Step 1: Write the proportion equation
393,766.26 : 590,707.35 = 127,438.26 : x - Step 2: Convert to fraction form
393,766.26/590,707.35 = 127,438.26/x - Step 3: Cross multiply
393,766.26x = 590,707.35 × 127,438.26 - Step 4: Simplify right side
393,766.26x = 75,278,716,853.21 - Step 5: Solve for x
x = 75,278,716,853.21/393,766.26 - Step 6: Final answer
x = 191,176.15
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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.