Finding the Fourth Proportional to 167,004.21, 230,490.43 and 105,755.99
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Solution
The fourth proportional to 167,004.21, 230,490.43 and 105,755.99 is: 145,958.86
Step by Step Solution
- Step 1: Write the proportion equation
167,004.21 : 230,490.43 = 105,755.99 : x - Step 2: Convert to fraction form
167,004.21/230,490.43 = 105,755.99/x - Step 3: Cross multiply
167,004.21x = 230,490.43 × 105,755.99 - Step 4: Simplify right side
167,004.21x = 24,375,743,610.18 - Step 5: Solve for x
x = 24,375,743,610.18/167,004.21 - Step 6: Final answer
x = 145,958.86
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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.