Finding the Fourth Proportional to 99,790.41, 149,668.61 and 33,222.99
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Solution
The fourth proportional to 99,790.41, 149,668.61 and 33,222.99 is: 49,828.82
Step by Step Solution
- Step 1: Write the proportion equation
99,790.41 : 149,668.61 = 33,222.99 : x - Step 2: Convert to fraction form
99,790.41/149,668.61 = 33,222.99/x - Step 3: Cross multiply
99,790.41x = 149,668.61 × 33,222.99 - Step 4: Simplify right side
99,790.41x = 4,972,438,567.23 - Step 5: Solve for x
x = 4,972,438,567.23/99,790.41 - Step 6: Final answer
x = 49,828.82
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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.