Finding the Fourth Proportional to 99,015.72, 148,532.33 and 27,938.99
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Solution
The fourth proportional to 99,015.72, 148,532.33 and 27,938.99 is: 41,910.95
Step by Step Solution
- Step 1: Write the proportion equation
99,015.72 : 148,532.33 = 27,938.99 : x - Step 2: Convert to fraction form
99,015.72/148,532.33 = 27,938.99/x - Step 3: Cross multiply
99,015.72x = 148,532.33 × 27,938.99 - Step 4: Simplify right side
99,015.72x = 4,149,842,400.19 - Step 5: Solve for x
x = 4,149,842,400.19/99,015.72 - Step 6: Final answer
x = 41,910.95
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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.