Finding the Fourth Proportional to 354,640.80, 531,961.20 and 177,175.20
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Solution
The fourth proportional to 354,640.80, 531,961.20 and 177,175.20 is: 265,762.80
Step by Step Solution
- Step 1: Write the proportion equation
354,640.80 : 531,961.20 = 177,175.20 : x - Step 2: Convert to fraction form
354,640.80/531,961.20 = 177,175.20/x - Step 3: Cross multiply
354,640.80x = 531,961.20 × 177,175.20 - Step 4: Simplify right side
354,640.80x = 94,250,332,002.24 - Step 5: Solve for x
x = 94,250,332,002.24/354,640.80 - Step 6: Final answer
x = 265,762.80
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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.