Finding the Fourth Proportional to 419,630.97, 629,508.99 and 149,738.07
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Solution
The fourth proportional to 419,630.97, 629,508.99 and 149,738.07 is: 224,629.42
Step by Step Solution
- Step 1: Write the proportion equation
419,630.97 : 629,508.99 = 149,738.07 : x - Step 2: Convert to fraction form
419,630.97/629,508.99 = 149,738.07/x - Step 3: Cross multiply
419,630.97x = 629,508.99 × 149,738.07 - Step 4: Simplify right side
419,630.97x = 94,261,461,210.25 - Step 5: Solve for x
x = 94,261,461,210.25/419,630.97 - Step 6: Final answer
x = 224,629.42
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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.