Finding the Fourth Proportional to 221,059.20, 330,883.20 and 174,403.20
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Solution
The fourth proportional to 221,059.20, 330,883.20 and 174,403.20 is: 261,048.12
Step by Step Solution
- Step 1: Write the proportion equation
221,059.20 : 330,883.20 = 174,403.20 : x - Step 2: Convert to fraction form
221,059.20/330,883.20 = 174,403.20/x - Step 3: Cross multiply
221,059.20x = 330,883.20 × 174,403.20 - Step 4: Simplify right side
221,059.20x = 57,707,088,906.24 - Step 5: Solve for x
x = 57,707,088,906.24/221,059.20 - Step 6: Final answer
x = 261,048.12
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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.