Finding the Fourth Proportional to 284,794.06, 393,000.10 and 157,461.25
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Solution
The fourth proportional to 284,794.06, 393,000.10 and 157,461.25 is: 217,287.84
Step by Step Solution
- Step 1: Write the proportion equation
284,794.06 : 393,000.10 = 157,461.25 : x - Step 2: Convert to fraction form
284,794.06/393,000.10 = 157,461.25/x - Step 3: Cross multiply
284,794.06x = 393,000.10 × 157,461.25 - Step 4: Simplify right side
284,794.06x = 61,882,286,996.13 - Step 5: Solve for x
x = 61,882,286,996.13/284,794.06 - Step 6: Final answer
x = 217,287.84
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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.