Finding the Fourth Proportional to 221,199.19, 331,800.01 and 54,987.19
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Solution
The fourth proportional to 221,199.19, 331,800.01 and 54,987.19 is: 82,481.09
Step by Step Solution
- Step 1: Write the proportion equation
221,199.19 : 331,800.01 = 54,987.19 : x - Step 2: Convert to fraction form
221,199.19/331,800.01 = 54,987.19/x - Step 3: Cross multiply
221,199.19x = 331,800.01 × 54,987.19 - Step 4: Simplify right side
221,199.19x = 18,244,749,224.90 - Step 5: Solve for x
x = 18,244,749,224.90/221,199.19 - Step 6: Final answer
x = 82,481.09
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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.