Finding the Fourth Proportional to 284,921.99, 393,270.08 and 177,428.51
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Solution
The fourth proportional to 284,921.99, 393,270.08 and 177,428.51 is: 244,899.75
Step by Step Solution
- Step 1: Write the proportion equation
284,921.99 : 393,270.08 = 177,428.51 : x - Step 2: Convert to fraction form
284,921.99/393,270.08 = 177,428.51/x - Step 3: Cross multiply
284,921.99x = 393,270.08 × 177,428.51 - Step 4: Simplify right side
284,921.99x = 69,777,324,321.98 - Step 5: Solve for x
x = 69,777,324,321.98/284,921.99 - Step 6: Final answer
x = 244,899.75
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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.