Finding the Fourth Proportional to 284,190.44, 392,186.00 and 156,866.00
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Solution
The fourth proportional to 284,190.44, 392,186.00 and 156,866.00 is: 216,476.84
Step by Step Solution
- Step 1: Write the proportion equation
284,190.44 : 392,186.00 = 156,866.00 : x - Step 2: Convert to fraction form
284,190.44/392,186.00 = 156,866.00/x - Step 3: Cross multiply
284,190.44x = 392,186.00 × 156,866.00 - Step 4: Simplify right side
284,190.44x = 61,520,647,507.24 - Step 5: Solve for x
x = 61,520,647,507.24/284,190.44 - Step 6: Final answer
x = 216,476.84
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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.