Finding the Fourth Proportional to 115,432.56, 173,246.04 and 45,361.08
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Solution
The fourth proportional to 115,432.56, 173,246.04 and 45,361.08 is: 68,079.82
Step by Step Solution
- Step 1: Write the proportion equation
115,432.56 : 173,246.04 = 45,361.08 : x - Step 2: Convert to fraction form
115,432.56/173,246.04 = 45,361.08/x - Step 3: Cross multiply
115,432.56x = 173,246.04 × 45,361.08 - Step 4: Simplify right side
115,432.56x = 7,858,627,480.12 - Step 5: Solve for x
x = 7,858,627,480.12/115,432.56 - Step 6: Final answer
x = 68,079.82
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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.