Finding the Fourth Proportional to 248,619.30, 372,928.95 and 214,793.70
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Solution
The fourth proportional to 248,619.30, 372,928.95 and 214,793.70 is: 322,190.55
Step by Step Solution
- Step 1: Write the proportion equation
248,619.30 : 372,928.95 = 214,793.70 : x - Step 2: Convert to fraction form
248,619.30/372,928.95 = 214,793.70/x - Step 3: Cross multiply
248,619.30x = 372,928.95 × 214,793.70 - Step 4: Simplify right side
248,619.30x = 80,102,789,007.62 - Step 5: Solve for x
x = 80,102,789,007.62/248,619.30 - Step 6: Final answer
x = 322,190.55
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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.