Finding the Fourth Proportional to 248,614.80, 372,922.20 and 115,450.80
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Solution
The fourth proportional to 248,614.80, 372,922.20 and 115,450.80 is: 173,176.20
Step by Step Solution
- Step 1: Write the proportion equation
248,614.80 : 372,922.20 = 115,450.80 : x - Step 2: Convert to fraction form
248,614.80/372,922.20 = 115,450.80/x - Step 3: Cross multiply
248,614.80x = 372,922.20 × 115,450.80 - Step 4: Simplify right side
248,614.80x = 43,054,166,327.76 - Step 5: Solve for x
x = 43,054,166,327.76/248,614.80 - Step 6: Final answer
x = 173,176.20
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1.5x scale
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.