Finding the Fourth Proportional to 167,747.28, 231,563.88 and 119,917.68
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Solution
The fourth proportional to 167,747.28, 231,563.88 and 119,917.68 is: 165,538.32
Step by Step Solution
- Step 1: Write the proportion equation
167,747.28 : 231,563.88 = 119,917.68 : x - Step 2: Convert to fraction form
167,747.28/231,563.88 = 119,917.68/x - Step 3: Cross multiply
167,747.28x = 231,563.88 × 119,917.68 - Step 4: Simplify right side
167,747.28x = 27,768,603,261.40 - Step 5: Solve for x
x = 27,768,603,261.40/167,747.28 - Step 6: Final answer
x = 165,538.32
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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.