Finding the Fourth Proportional to 378,373.44, 567,649.26 and 112,136.16
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Solution
The fourth proportional to 378,373.44, 567,649.26 and 112,136.16 is: 168,230.65
Step by Step Solution
- Step 1: Write the proportion equation
378,373.44 : 567,649.26 = 112,136.16 : x - Step 2: Convert to fraction form
378,373.44/567,649.26 = 112,136.16/x - Step 3: Cross multiply
378,373.44x = 567,649.26 × 112,136.16 - Step 4: Simplify right side
378,373.44x = 63,654,008,243.24 - Step 5: Solve for x
x = 63,654,008,243.24/378,373.44 - Step 6: Final answer
x = 168,230.65
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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.