Finding the Fourth Proportional to 284,918.99, 393,265.94 and 177,425.51
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Solution
The fourth proportional to 284,918.99, 393,265.94 and 177,425.51 is: 244,895.60
Step by Step Solution
- Step 1: Write the proportion equation
284,918.99 : 393,265.94 = 177,425.51 : x - Step 2: Convert to fraction form
284,918.99/393,265.94 = 177,425.51/x - Step 3: Cross multiply
284,918.99x = 393,265.94 × 177,425.51 - Step 4: Simplify right side
284,918.99x = 69,775,407,116.67 - Step 5: Solve for x
x = 69,775,407,116.67/284,918.99 - Step 6: Final answer
x = 244,895.60
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1.5x scale
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.