Finding the Fourth Proportional to 106,553.80, 159,773.10 and 44,230.60
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Solution
The fourth proportional to 106,553.80, 159,773.10 and 44,230.60 is: 66,321.99
Step by Step Solution
- Step 1: Write the proportion equation
106,553.80 : 159,773.10 = 44,230.60 : x - Step 2: Convert to fraction form
106,553.80/159,773.10 = 44,230.60/x - Step 3: Cross multiply
106,553.80x = 159,773.10 × 44,230.60 - Step 4: Simplify right side
106,553.80x = 7,066,860,076.86 - Step 5: Solve for x
x = 7,066,860,076.86/106,553.80 - Step 6: Final answer
x = 66,321.99
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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.