Finding the Fourth Proportional to 378,338.23, 567,674.52 and 198,380.68
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Solution
The fourth proportional to 378,338.23, 567,674.52 and 198,380.68 is: 297,658.68
Step by Step Solution
- Step 1: Write the proportion equation
378,338.23 : 567,674.52 = 198,380.68 : x - Step 2: Convert to fraction form
378,338.23/567,674.52 = 198,380.68/x - Step 3: Cross multiply
378,338.23x = 567,674.52 × 198,380.68 - Step 4: Simplify right side
378,338.23x = 112,615,657,296.27 - Step 5: Solve for x
x = 112,615,657,296.27/378,338.23 - Step 6: Final answer
x = 297,658.68
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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.