Finding the Fourth Proportional to 419,724.80, 629,773.10 and 219,997.70
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Solution
The fourth proportional to 419,724.80, 629,773.10 and 219,997.70 is: 330,093.99
Step by Step Solution
- Step 1: Write the proportion equation
419,724.80 : 629,773.10 = 219,997.70 : x - Step 2: Convert to fraction form
419,724.80/629,773.10 = 219,997.70/x - Step 3: Cross multiply
419,724.80x = 629,773.10 × 219,997.70 - Step 4: Simplify right side
419,724.80x = 138,548,633,521.87 - Step 5: Solve for x
x = 138,548,633,521.87/419,724.80 - Step 6: Final answer
x = 330,093.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.