Finding the Fourth Proportional to 149,452.56, 224,310.44 and 78,425.96
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Solution
The fourth proportional to 149,452.56, 224,310.44 and 78,425.96 is: 117,707.99
Step by Step Solution
- Step 1: Write the proportion equation
149,452.56 : 224,310.44 = 78,425.96 : x - Step 2: Convert to fraction form
149,452.56/224,310.44 = 78,425.96/x - Step 3: Cross multiply
149,452.56x = 224,310.44 × 78,425.96 - Step 4: Simplify right side
149,452.56x = 17,591,760,669.54 - Step 5: Solve for x
x = 17,591,760,669.54/149,452.56 - Step 6: Final answer
x = 117,707.99
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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.