Finding the Fourth Proportional to 419,820.84, 629,282.25 and 239,517.75
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Solution
The fourth proportional to 419,820.84, 629,282.25 and 239,517.75 is: 359,020.45
Step by Step Solution
- Step 1: Write the proportion equation
419,820.84 : 629,282.25 = 239,517.75 : x - Step 2: Convert to fraction form
419,820.84/629,282.25 = 239,517.75/x - Step 3: Cross multiply
419,820.84x = 629,282.25 × 239,517.75 - Step 4: Simplify right side
419,820.84x = 150,724,268,634.94 - Step 5: Solve for x
x = 150,724,268,634.94/419,820.84 - Step 6: Final answer
x = 359,020.45
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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.