Finding the Fourth Proportional to 213,745.05, 294,951.87 and 118,249.68
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Solution
The fourth proportional to 213,745.05, 294,951.87 and 118,249.68 is: 163,175.54
Step by Step Solution
- Step 1: Write the proportion equation
213,745.05 : 294,951.87 = 118,249.68 : x - Step 2: Convert to fraction form
213,745.05/294,951.87 = 118,249.68/x - Step 3: Cross multiply
213,745.05x = 294,951.87 × 118,249.68 - Step 4: Simplify right side
213,745.05x = 34,877,964,242.90 - Step 5: Solve for x
x = 34,877,964,242.90/213,745.05 - Step 6: Final answer
x = 163,175.54
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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.