Finding the Fourth Proportional to 381,516.48, 572,334.96 and 115,243.92
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Solution
The fourth proportional to 381,516.48, 572,334.96 and 115,243.92 is: 172,884.08
Step by Step Solution
- Step 1: Write the proportion equation
381,516.48 : 572,334.96 = 115,243.92 : x - Step 2: Convert to fraction form
381,516.48/572,334.96 = 115,243.92/x - Step 3: Cross multiply
381,516.48x = 572,334.96 × 115,243.92 - Step 4: Simplify right side
381,516.48x = 65,958,124,343.44 - Step 5: Solve for x
x = 65,958,124,343.44/381,516.48 - Step 6: Final answer
x = 172,884.08
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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.