Finding the Fourth Proportional to 221,887.02, 306,456.57 and 149,163.60
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Solution
The fourth proportional to 221,887.02, 306,456.57 and 149,163.60 is: 206,015.50
Step by Step Solution
- Step 1: Write the proportion equation
221,887.02 : 306,456.57 = 149,163.60 : x - Step 2: Convert to fraction form
221,887.02/306,456.57 = 149,163.60/x - Step 3: Cross multiply
221,887.02x = 306,456.57 × 149,163.60 - Step 4: Simplify right side
221,887.02x = 45,712,165,224.85 - Step 5: Solve for x
x = 45,712,165,224.85/221,887.02 - Step 6: Final answer
x = 206,015.50
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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.