Finding the Fourth Proportional to 99,399.54, 149,147.14 and 49,483.99
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Solution
The fourth proportional to 99,399.54, 149,147.14 and 49,483.99 is: 74,249.80
Step by Step Solution
- Step 1: Write the proportion equation
99,399.54 : 149,147.14 = 49,483.99 : x - Step 2: Convert to fraction form
99,399.54/149,147.14 = 49,483.99/x - Step 3: Cross multiply
99,399.54x = 149,147.14 × 49,483.99 - Step 4: Simplify right side
99,399.54x = 7,380,395,584.29 - Step 5: Solve for x
x = 7,380,395,584.29/99,399.54 - Step 6: Final answer
x = 74,249.80
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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.