Finding the Fourth Proportional to 284,939.14, 393,237.34 and 162,434.44
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Solution
The fourth proportional to 284,939.14, 393,237.34 and 162,434.44 is: 224,171.68
Step by Step Solution
- Step 1: Write the proportion equation
284,939.14 : 393,237.34 = 162,434.44 : x - Step 2: Convert to fraction form
284,939.14/393,237.34 = 162,434.44/x - Step 3: Cross multiply
284,939.14x = 393,237.34 × 162,434.44 - Step 4: Simplify right side
284,939.14x = 63,875,287,109.99 - Step 5: Solve for x
x = 63,875,287,109.99/284,939.14 - Step 6: Final answer
x = 224,171.68
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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.