Finding the Fourth Proportional to 315,452.48, 472,917.36 and 125,795.84
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Solution
The fourth proportional to 315,452.48, 472,917.36 and 125,795.84 is: 188,589.54
Step by Step Solution
- Step 1: Write the proportion equation
315,452.48 : 472,917.36 = 125,795.84 : x - Step 2: Convert to fraction form
315,452.48/472,917.36 = 125,795.84/x - Step 3: Cross multiply
315,452.48x = 472,917.36 × 125,795.84 - Step 4: Simplify right side
315,452.48x = 59,491,036,551.78 - Step 5: Solve for x
x = 59,491,036,551.78/315,452.48 - Step 6: Final answer
x = 188,589.54
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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.