Finding the Fourth Proportional to 272,140.26, 375,736.80 and 243,370.68
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Solution
The fourth proportional to 272,140.26, 375,736.80 and 243,370.68 is: 336,015.41
Step by Step Solution
- Step 1: Write the proportion equation
272,140.26 : 375,736.80 = 243,370.68 : x - Step 2: Convert to fraction form
272,140.26/375,736.80 = 243,370.68/x - Step 3: Cross multiply
272,140.26x = 375,736.80 × 243,370.68 - Step 4: Simplify right side
272,140.26x = 91,443,320,517.02 - Step 5: Solve for x
x = 91,443,320,517.02/272,140.26 - Step 6: Final answer
x = 336,015.41
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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.