Finding the Fourth Proportional to 86,466.44, 129,705.12 and 27,304.44
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Solution
The fourth proportional to 86,466.44, 129,705.12 and 27,304.44 is: 40,958.39
Step by Step Solution
- Step 1: Write the proportion equation
86,466.44 : 129,705.12 = 27,304.44 : x - Step 2: Convert to fraction form
86,466.44/129,705.12 = 27,304.44/x - Step 3: Cross multiply
86,466.44x = 129,705.12 × 27,304.44 - Step 4: Simplify right side
86,466.44x = 3,541,525,666.73 - Step 5: Solve for x
x = 3,541,525,666.73/86,466.44 - Step 6: Final answer
x = 40,958.39
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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.