Finding the Fourth Proportional to 122,960.09, 184,465.31 and 51,882.75
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Solution
The fourth proportional to 122,960.09, 184,465.31 and 51,882.75 is: 77,834.75
Step by Step Solution
- Step 1: Write the proportion equation
122,960.09 : 184,465.31 = 51,882.75 : x - Step 2: Convert to fraction form
122,960.09/184,465.31 = 51,882.75/x - Step 3: Cross multiply
122,960.09x = 184,465.31 × 51,882.75 - Step 4: Simplify right side
122,960.09x = 9,570,567,302.99 - Step 5: Solve for x
x = 9,570,567,302.99/122,960.09 - Step 6: Final answer
x = 77,834.75
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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.