Finding the Fourth Proportional to 265,067.79, 365,785.20 and 144,205.99
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Solution
The fourth proportional to 265,067.79, 365,785.20 and 144,205.99 is: 198,999.72
Step by Step Solution
- Step 1: Write the proportion equation
265,067.79 : 365,785.20 = 144,205.99 : x - Step 2: Convert to fraction form
265,067.79/365,785.20 = 144,205.99/x - Step 3: Cross multiply
265,067.79x = 365,785.20 × 144,205.99 - Step 4: Simplify right side
265,067.79x = 52,748,416,893.35 - Step 5: Solve for x
x = 52,748,416,893.35/265,067.79 - Step 6: Final answer
x = 198,999.72
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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.