Finding the Fourth Proportional to 491,383.48, 737,079.35 and 136,425.18
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Solution
The fourth proportional to 491,383.48, 737,079.35 and 136,425.18 is: 204,638.92
Step by Step Solution
- Step 1: Write the proportion equation
491,383.48 : 737,079.35 = 136,425.18 : x - Step 2: Convert to fraction form
491,383.48/737,079.35 = 136,425.18/x - Step 3: Cross multiply
491,383.48x = 737,079.35 × 136,425.18 - Step 4: Simplify right side
491,383.48x = 100,556,182,998.03 - Step 5: Solve for x
x = 100,556,182,998.03/491,383.48 - Step 6: Final answer
x = 204,638.92
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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.