Finding the Fourth Proportional to 185,321.12, 277,982.08 and 66,992.26
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Solution
The fourth proportional to 185,321.12, 277,982.08 and 66,992.26 is: 100,488.53
Step by Step Solution
- Step 1: Write the proportion equation
185,321.12 : 277,982.08 = 66,992.26 : x - Step 2: Convert to fraction form
185,321.12/277,982.08 = 66,992.26/x - Step 3: Cross multiply
185,321.12x = 277,982.08 × 66,992.26 - Step 4: Simplify right side
185,321.12x = 18,622,647,778.70 - Step 5: Solve for x
x = 18,622,647,778.70/185,321.12 - Step 6: Final answer
x = 100,488.53
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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.