Finding the Fourth Proportional to 217,745.19, 326,617.67 and 67,998.32
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Solution
The fourth proportional to 217,745.19, 326,617.67 and 67,998.32 is: 101,997.43
Step by Step Solution
- Step 1: Write the proportion equation
217,745.19 : 326,617.67 = 67,998.32 : x - Step 2: Convert to fraction form
217,745.19/326,617.67 = 67,998.32/x - Step 3: Cross multiply
217,745.19x = 326,617.67 × 67,998.32 - Step 4: Simplify right side
217,745.19x = 22,209,451,124.23 - Step 5: Solve for x
x = 22,209,451,124.23/217,745.19 - Step 6: Final answer
x = 101,997.43
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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.