Finding the Fourth Proportional to 202,415.92, 279,358.60 and 117,532.99
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Solution
The fourth proportional to 202,415.92, 279,358.60 and 117,532.99 is: 162,209.83
Step by Step Solution
- Step 1: Write the proportion equation
202,415.92 : 279,358.60 = 117,532.99 : x - Step 2: Convert to fraction form
202,415.92/279,358.60 = 117,532.99/x - Step 3: Cross multiply
202,415.92x = 279,358.60 × 117,532.99 - Step 4: Simplify right side
202,415.92x = 32,833,851,540.21 - Step 5: Solve for x
x = 32,833,851,540.21/202,415.92 - Step 6: Final answer
x = 162,209.83
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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.