Finding the Fourth Proportional to 216,137.41, 324,206.12 and 110,889.25
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Solution
The fourth proportional to 216,137.41, 324,206.12 and 110,889.25 is: 166,333.88
Step by Step Solution
- Step 1: Write the proportion equation
216,137.41 : 324,206.12 = 110,889.25 : x - Step 2: Convert to fraction form
216,137.41/324,206.12 = 110,889.25/x - Step 3: Cross multiply
216,137.41x = 324,206.12 × 110,889.25 - Step 4: Simplify right side
216,137.41x = 35,950,973,492.21 - Step 5: Solve for x
x = 35,950,973,492.21/216,137.41 - Step 6: Final answer
x = 166,333.88
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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.