Finding the Fourth Proportional to 518,558.10, 777,861.87 and 252,001.05
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Solution
The fourth proportional to 518,558.10, 777,861.87 and 252,001.05 is: 378,013.59
Step by Step Solution
- Step 1: Write the proportion equation
518,558.10 : 777,861.87 = 252,001.05 : x - Step 2: Convert to fraction form
518,558.10/777,861.87 = 252,001.05/x - Step 3: Cross multiply
518,558.10x = 777,861.87 × 252,001.05 - Step 4: Simplify right side
518,558.10x = 196,022,007,994.96 - Step 5: Solve for x
x = 196,022,007,994.96/518,558.10 - Step 6: Final answer
x = 378,013.59
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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.