Finding the Fourth Proportional to 122,969.54, 184,480.23 and 39,857.06
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Solution
The fourth proportional to 122,969.54, 184,480.23 and 39,857.06 is: 59,793.99
Step by Step Solution
- Step 1: Write the proportion equation
122,969.54 : 184,480.23 = 39,857.06 : x - Step 2: Convert to fraction form
122,969.54/184,480.23 = 39,857.06/x - Step 3: Cross multiply
122,969.54x = 184,480.23 × 39,857.06 - Step 4: Simplify right side
122,969.54x = 7,352,840,206.59 - Step 5: Solve for x
x = 7,352,840,206.59/122,969.54 - Step 6: Final answer
x = 59,793.99
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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.