Finding the Fourth Proportional to 202,414.60, 279,356.76 and 117,531.68
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Solution
The fourth proportional to 202,414.60, 279,356.76 and 117,531.68 is: 162,208.01
Step by Step Solution
- Step 1: Write the proportion equation
202,414.60 : 279,356.76 = 117,531.68 : x - Step 2: Convert to fraction form
202,414.60/279,356.76 = 117,531.68/x - Step 3: Cross multiply
202,414.60x = 279,356.76 × 117,531.68 - Step 4: Simplify right side
202,414.60x = 32,833,269,322.16 - Step 5: Solve for x
x = 32,833,269,322.16/202,414.60 - Step 6: Final answer
x = 162,208.01
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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.