Finding the Fourth Proportional to 603,517.80, 905,276.70 and 271,741.80
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Solution
The fourth proportional to 603,517.80, 905,276.70 and 271,741.80 is: 407,612.70
Step by Step Solution
- Step 1: Write the proportion equation
603,517.80 : 905,276.70 = 271,741.80 : x - Step 2: Convert to fraction form
603,517.80/905,276.70 = 271,741.80/x - Step 3: Cross multiply
603,517.80x = 905,276.70 × 271,741.80 - Step 4: Simplify right side
603,517.80x = 246,001,519,956.06 - Step 5: Solve for x
x = 246,001,519,956.06/603,517.80 - Step 6: Final answer
x = 407,612.70
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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.