Finding the Fourth Proportional to 300,578.53, 415,079.36 and 193,334.74
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Solution
The fourth proportional to 300,578.53, 415,079.36 and 193,334.74 is: 266,982.68
Step by Step Solution
- Step 1: Write the proportion equation
300,578.53 : 415,079.36 = 193,334.74 : x - Step 2: Convert to fraction form
300,578.53/415,079.36 = 193,334.74/x - Step 3: Cross multiply
300,578.53x = 415,079.36 × 193,334.74 - Step 4: Simplify right side
300,578.53x = 80,249,260,144.97 - Step 5: Solve for x
x = 80,249,260,144.97/300,578.53 - Step 6: Final answer
x = 266,982.68
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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.