Finding the Fourth Proportional to 284,880.62, 427,124.09 and 124,879.70
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Solution
The fourth proportional to 284,880.62, 427,124.09 and 124,879.70 is: 187,233.26
Step by Step Solution
- Step 1: Write the proportion equation
284,880.62 : 427,124.09 = 124,879.70 : x - Step 2: Convert to fraction form
284,880.62/427,124.09 = 124,879.70/x - Step 3: Cross multiply
284,880.62x = 427,124.09 × 124,879.70 - Step 4: Simplify right side
284,880.62x = 53,339,125,461.95 - Step 5: Solve for x
x = 53,339,125,461.95/284,880.62 - Step 6: Final answer
x = 187,233.26
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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.