Finding the Fourth Proportional to 316,748.26, 436,946.88 and 195,850.90
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Solution
The fourth proportional to 316,748.26, 436,946.88 and 195,850.90 is: 270,171.78
Step by Step Solution
- Step 1: Write the proportion equation
316,748.26 : 436,946.88 = 195,850.90 : x - Step 2: Convert to fraction form
316,748.26/436,946.88 = 195,850.90/x - Step 3: Cross multiply
316,748.26x = 436,946.88 × 195,850.90 - Step 4: Simplify right side
316,748.26x = 85,576,439,700.19 - Step 5: Solve for x
x = 85,576,439,700.19/316,748.26 - Step 6: Final answer
x = 270,171.78
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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.