Finding the Fourth Proportional to 221,166.17, 331,749.49 and 54,954.17
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Solution
The fourth proportional to 221,166.17, 331,749.49 and 54,954.17 is: 82,431.31
Step by Step Solution
- Step 1: Write the proportion equation
221,166.17 : 331,749.49 = 54,954.17 : x - Step 2: Convert to fraction form
221,166.17/331,749.49 = 54,954.17/x - Step 3: Cross multiply
221,166.17x = 331,749.49 × 54,954.17 - Step 4: Simplify right side
221,166.17x = 18,231,017,870.87 - Step 5: Solve for x
x = 18,231,017,870.87/221,166.17 - Step 6: Final answer
x = 82,431.31
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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.