Finding the Fourth Proportional to 378,311.86, 567,634.93 and 198,354.26
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Solution
The fourth proportional to 378,311.86, 567,634.93 and 198,354.26 is: 297,619.02
Step by Step Solution
- Step 1: Write the proportion equation
378,311.86 : 567,634.93 = 198,354.26 : x - Step 2: Convert to fraction form
378,311.86/567,634.93 = 198,354.26/x - Step 3: Cross multiply
378,311.86x = 567,634.93 × 198,354.26 - Step 4: Simplify right side
378,311.86x = 112,592,806,490.30 - Step 5: Solve for x
x = 112,592,806,490.30/378,311.86 - Step 6: Final answer
x = 297,619.02
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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.