Finding the Fourth Proportional to 315,180.10, 434,914.99 and 177,356.62
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Solution
The fourth proportional to 315,180.10, 434,914.99 and 177,356.62 is: 244,733.26
Step by Step Solution
- Step 1: Write the proportion equation
315,180.10 : 434,914.99 = 177,356.62 : x - Step 2: Convert to fraction form
315,180.10/434,914.99 = 177,356.62/x - Step 3: Cross multiply
315,180.10x = 434,914.99 × 177,356.62 - Step 4: Simplify right side
315,180.10x = 77,135,050,882.55 - Step 5: Solve for x
x = 77,135,050,882.55/315,180.10 - Step 6: Final answer
x = 244,733.26
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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.