Finding the Fourth Proportional to 397,517.40, 596,279.66 and 113,207.69
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Solution
The fourth proportional to 397,517.40, 596,279.66 and 113,207.69 is: 169,812.55
Step by Step Solution
- Step 1: Write the proportion equation
397,517.40 : 596,279.66 = 113,207.69 : x - Step 2: Convert to fraction form
397,517.40/596,279.66 = 113,207.69/x - Step 3: Cross multiply
397,517.40x = 596,279.66 × 113,207.69 - Step 4: Simplify right side
397,517.40x = 67,503,443,827.25 - Step 5: Solve for x
x = 67,503,443,827.25/397,517.40 - Step 6: Final answer
x = 169,812.55
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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.