Finding the Fourth Proportional to 221,147.00, 331,720.43 and 71,409.32
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Solution
The fourth proportional to 221,147.00, 331,720.43 and 71,409.32 is: 107,113.95
Step by Step Solution
- Step 1: Write the proportion equation
221,147.00 : 331,720.43 = 71,409.32 : x - Step 2: Convert to fraction form
221,147.00/331,720.43 = 71,409.32/x - Step 3: Cross multiply
221,147.00x = 331,720.43 × 71,409.32 - Step 4: Simplify right side
221,147.00x = 23,687,928,320.76 - Step 5: Solve for x
x = 23,687,928,320.76/221,147.00 - Step 6: Final answer
x = 107,113.95
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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.