Finding the Fourth Proportional to 284,336.42, 426,136.46 and 115,660.94
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Solution
The fourth proportional to 284,336.42, 426,136.46 and 115,660.94 is: 173,341.65
Step by Step Solution
- Step 1: Write the proportion equation
284,336.42 : 426,136.46 = 115,660.94 : x - Step 2: Convert to fraction form
284,336.42/426,136.46 = 115,660.94/x - Step 3: Cross multiply
284,336.42x = 426,136.46 × 115,660.94 - Step 4: Simplify right side
284,336.42x = 49,287,343,531.87 - Step 5: Solve for x
x = 49,287,343,531.87/284,336.42 - Step 6: Final answer
x = 173,341.65
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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.