Finding the Fourth Proportional to 221,224.96, 331,837.68 and 55,012.96
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Solution
The fourth proportional to 221,224.96, 331,837.68 and 55,012.96 is: 82,519.50
Step by Step Solution
- Step 1: Write the proportion equation
221,224.96 : 331,837.68 = 55,012.96 : x - Step 2: Convert to fraction form
221,224.96/331,837.68 = 55,012.96/x - Step 3: Cross multiply
221,224.96x = 331,837.68 × 55,012.96 - Step 4: Simplify right side
221,224.96x = 18,255,373,016.33 - Step 5: Solve for x
x = 18,255,373,016.33/221,224.96 - Step 6: Final answer
x = 82,519.50
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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.