Finding the Fourth Proportional to 265,736.79, 398,394.68 and 132,548.49
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Solution
The fourth proportional to 265,736.79, 398,394.68 and 132,548.49 is: 198,717.73
Step by Step Solution
- Step 1: Write the proportion equation
265,736.79 : 398,394.68 = 132,548.49 : x - Step 2: Convert to fraction form
265,736.79/398,394.68 = 132,548.49/x - Step 3: Cross multiply
265,736.79x = 398,394.68 × 132,548.49 - Step 4: Simplify right side
265,736.79x = 52,806,612,595.29 - Step 5: Solve for x
x = 52,806,612,595.29/265,736.79 - Step 6: Final answer
x = 198,717.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.