Finding the Fourth Proportional to 419,555.10, 629,551.35 and 182,921.70
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Solution
The fourth proportional to 419,555.10, 629,551.35 and 182,921.70 is: 274,477.90
Step by Step Solution
- Step 1: Write the proportion equation
419,555.10 : 629,551.35 = 182,921.70 : x - Step 2: Convert to fraction form
419,555.10/629,551.35 = 182,921.70/x - Step 3: Cross multiply
419,555.10x = 629,551.35 × 182,921.70 - Step 4: Simplify right side
419,555.10x = 115,158,603,179.30 - Step 5: Solve for x
x = 115,158,603,179.30/419,555.10 - Step 6: Final answer
x = 274,477.90
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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.