Finding the Fourth Proportional to 117,247.62, 161,801.44 and 63,534.09
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Solution
The fourth proportional to 117,247.62, 161,801.44 and 63,534.09 is: 87,676.89
Step by Step Solution
- Step 1: Write the proportion equation
117,247.62 : 161,801.44 = 63,534.09 : x - Step 2: Convert to fraction form
117,247.62/161,801.44 = 63,534.09/x - Step 3: Cross multiply
117,247.62x = 161,801.44 × 63,534.09 - Step 4: Simplify right side
117,247.62x = 10,279,907,251.09 - Step 5: Solve for x
x = 10,279,907,251.09/117,247.62 - Step 6: Final answer
x = 87,676.89
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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.