Finding the Fourth Proportional to 355,297.37, 490,289.72 and 194,153.75
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Solution
The fourth proportional to 355,297.37, 490,289.72 and 194,153.75 is: 267,920.88
Step by Step Solution
- Step 1: Write the proportion equation
355,297.37 : 490,289.72 = 194,153.75 : x - Step 2: Convert to fraction form
355,297.37/490,289.72 = 194,153.75/x - Step 3: Cross multiply
355,297.37x = 490,289.72 × 194,153.75 - Step 4: Simplify right side
355,297.37x = 95,191,584,302.23 - Step 5: Solve for x
x = 95,191,584,302.23/355,297.37 - Step 6: Final answer
x = 267,920.88
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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.