Finding the Fourth Proportional to 284,916.03, 393,163.38 and 157,593.75
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Solution
The fourth proportional to 284,916.03, 393,163.38 and 157,593.75 is: 217,467.90
Step by Step Solution
- Step 1: Write the proportion equation
284,916.03 : 393,163.38 = 157,593.75 : x - Step 2: Convert to fraction form
284,916.03/393,163.38 = 157,593.75/x - Step 3: Cross multiply
284,916.03x = 393,163.38 × 157,593.75 - Step 4: Simplify right side
284,916.03x = 61,960,091,416.88 - Step 5: Solve for x
x = 61,960,091,416.88/284,916.03 - Step 6: Final answer
x = 217,467.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.