Finding the Fourth Proportional to 167,982.13, 231,815.36 and 92,530.63
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Solution
The fourth proportional to 167,982.13, 231,815.36 and 92,530.63 is: 127,692.28
Step by Step Solution
- Step 1: Write the proportion equation
167,982.13 : 231,815.36 = 92,530.63 : x - Step 2: Convert to fraction form
167,982.13/231,815.36 = 92,530.63/x - Step 3: Cross multiply
167,982.13x = 231,815.36 × 92,530.63 - Step 4: Simplify right side
167,982.13x = 21,450,021,304.48 - Step 5: Solve for x
x = 21,450,021,304.48/167,982.13 - Step 6: Final answer
x = 127,692.28
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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.