Finding the Fourth Proportional to 284,999.79, 427,831.01 and 166,755.99
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Solution
The fourth proportional to 284,999.79, 427,831.01 and 166,755.99 is: 250,327.84
Step by Step Solution
- Step 1: Write the proportion equation
284,999.79 : 427,831.01 = 166,755.99 : x - Step 2: Convert to fraction form
284,999.79/427,831.01 = 166,755.99/x - Step 3: Cross multiply
284,999.79x = 427,831.01 × 166,755.99 - Step 4: Simplify right side
284,999.79x = 71,343,382,791.47 - Step 5: Solve for x
x = 71,343,382,791.47/284,999.79 - Step 6: Final answer
x = 250,327.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.