Finding the Fourth Proportional to 316,957.26, 437,381.19 and 173,707.14
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Solution
The fourth proportional to 316,957.26, 437,381.19 and 173,707.14 is: 239,704.99
Step by Step Solution
- Step 1: Write the proportion equation
316,957.26 : 437,381.19 = 173,707.14 : x - Step 2: Convert to fraction form
316,957.26/437,381.19 = 173,707.14/x - Step 3: Cross multiply
316,957.26x = 437,381.19 × 173,707.14 - Step 4: Simplify right side
316,957.26x = 75,976,235,604.70 - Step 5: Solve for x
x = 75,976,235,604.70/316,957.26 - Step 6: Final answer
x = 239,704.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.