Finding the Fourth Proportional to 180,310.78, 248,745.09 and 116,669.08
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Solution
The fourth proportional to 180,310.78, 248,745.09 and 116,669.08 is: 160,949.12
Step by Step Solution
- Step 1: Write the proportion equation
180,310.78 : 248,745.09 = 116,669.08 : x - Step 2: Convert to fraction form
180,310.78/248,745.09 = 116,669.08/x - Step 3: Cross multiply
180,310.78x = 248,745.09 × 116,669.08 - Step 4: Simplify right side
180,310.78x = 29,020,860,804.82 - Step 5: Solve for x
x = 29,020,860,804.82/180,310.78 - Step 6: Final answer
x = 160,949.12
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1.5x scale
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.