Finding the Fourth Proportional to 203,241.99, 280,513.22 and 117,256.52
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Solution
The fourth proportional to 203,241.99, 280,513.22 and 117,256.52 is: 161,836.65
Step by Step Solution
- Step 1: Write the proportion equation
203,241.99 : 280,513.22 = 117,256.52 : x - Step 2: Convert to fraction form
203,241.99/280,513.22 = 117,256.52/x - Step 3: Cross multiply
203,241.99x = 280,513.22 × 117,256.52 - Step 4: Simplify right side
203,241.99x = 32,892,004,106.19 - Step 5: Solve for x
x = 32,892,004,106.19/203,241.99 - Step 6: Final answer
x = 161,836.65
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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.