Finding the Fourth Proportional to 248,625.80, 372,938.70 and 209,745.80
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Solution
The fourth proportional to 248,625.80, 372,938.70 and 209,745.80 is: 314,618.70
Step by Step Solution
- Step 1: Write the proportion equation
248,625.80 : 372,938.70 = 209,745.80 : x - Step 2: Convert to fraction form
248,625.80/372,938.70 = 209,745.80/x - Step 3: Cross multiply
248,625.80x = 372,938.70 × 209,745.80 - Step 4: Simplify right side
248,625.80x = 78,222,325,982.46 - Step 5: Solve for x
x = 78,222,325,982.46/248,625.80 - Step 6: Final answer
x = 314,618.70
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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.