Finding the Fourth Proportional to 104,745.70, 157,446.60 and 102,777.40
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Solution
The fourth proportional to 104,745.70, 157,446.60 and 102,777.40 is: 154,487.99
Step by Step Solution
- Step 1: Write the proportion equation
104,745.70 : 157,446.60 = 102,777.40 : x - Step 2: Convert to fraction form
104,745.70/157,446.60 = 102,777.40/x - Step 3: Cross multiply
104,745.70x = 157,446.60 × 102,777.40 - Step 4: Simplify right side
104,745.70x = 16,181,952,186.84 - Step 5: Solve for x
x = 16,181,952,186.84/104,745.70 - Step 6: Final answer
x = 154,487.99
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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.