Finding the Fourth Proportional to 363,638.16, 545,514.95 and 110,860.75
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Solution
The fourth proportional to 363,638.16, 545,514.95 and 110,860.75 is: 166,308.72
Step by Step Solution
- Step 1: Write the proportion equation
363,638.16 : 545,514.95 = 110,860.75 : x - Step 2: Convert to fraction form
363,638.16/545,514.95 = 110,860.75/x - Step 3: Cross multiply
363,638.16x = 545,514.95 × 110,860.75 - Step 4: Simplify right side
363,638.16x = 60,476,197,452.26 - Step 5: Solve for x
x = 60,476,197,452.26/363,638.16 - Step 6: Final answer
x = 166,308.72
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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.