Finding the Fourth Proportional to 356,515.97, 534,414.11 and 223,489.67
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Solution
The fourth proportional to 356,515.97, 534,414.11 and 223,489.67 is: 335,008.92
Step by Step Solution
- Step 1: Write the proportion equation
356,515.97 : 534,414.11 = 223,489.67 : x - Step 2: Convert to fraction form
356,515.97/534,414.11 = 223,489.67/x - Step 3: Cross multiply
356,515.97x = 534,414.11 × 223,489.67 - Step 4: Simplify right side
356,515.97x = 119,436,029,297.73 - Step 5: Solve for x
x = 119,436,029,297.73/356,515.97 - Step 6: Final answer
x = 335,008.92
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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.