Finding the Fourth Proportional to 316,743.26, 436,939.98 and 195,845.90
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Solution
The fourth proportional to 316,743.26, 436,939.98 and 195,845.90 is: 270,164.88
Step by Step Solution
- Step 1: Write the proportion equation
316,743.26 : 436,939.98 = 195,845.90 : x - Step 2: Convert to fraction form
316,743.26/436,939.98 = 195,845.90/x - Step 3: Cross multiply
316,743.26x = 436,939.98 × 195,845.90 - Step 4: Simplify right side
316,743.26x = 85,572,903,629.08 - Step 5: Solve for x
x = 85,572,903,629.08/316,743.26 - Step 6: Final answer
x = 270,164.88
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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.