Finding the Fourth Proportional to 401,450.53, 602,176.25 and 135,188.75
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Solution
The fourth proportional to 401,450.53, 602,176.25 and 135,188.75 is: 202,783.28
Step by Step Solution
- Step 1: Write the proportion equation
401,450.53 : 602,176.25 = 135,188.75 : x - Step 2: Convert to fraction form
401,450.53/602,176.25 = 135,188.75/x - Step 3: Cross multiply
401,450.53x = 602,176.25 × 135,188.75 - Step 4: Simplify right side
401,450.53x = 81,407,454,517.19 - Step 5: Solve for x
x = 81,407,454,517.19/401,450.53 - Step 6: Final answer
x = 202,783.28
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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.