Finding the Fourth Proportional to 185,135.40, 277,673.40 and 66,745.80
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Solution
The fourth proportional to 185,135.40, 277,673.40 and 66,745.80 is: 100,107.99
Step by Step Solution
- Step 1: Write the proportion equation
185,135.40 : 277,673.40 = 66,745.80 : x - Step 2: Convert to fraction form
185,135.40/277,673.40 = 66,745.80/x - Step 3: Cross multiply
185,135.40x = 277,673.40 × 66,745.80 - Step 4: Simplify right side
185,135.40x = 18,533,533,221.72 - Step 5: Solve for x
x = 18,533,533,221.72/185,135.40 - Step 6: Final answer
x = 100,107.99
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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.