Finding the Fourth Proportional to 115,466.93, 159,343.56 and 64,476.62
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Solution
The fourth proportional to 115,466.93, 159,343.56 and 64,476.62 is: 88,977.28
Step by Step Solution
- Step 1: Write the proportion equation
115,466.93 : 159,343.56 = 64,476.62 : x - Step 2: Convert to fraction form
115,466.93/159,343.56 = 64,476.62/x - Step 3: Cross multiply
115,466.93x = 159,343.56 × 64,476.62 - Step 4: Simplify right side
115,466.93x = 10,273,933,370.85 - Step 5: Solve for x
x = 10,273,933,370.85/115,466.93 - Step 6: Final answer
x = 88,977.28
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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.