Finding the Fourth Proportional to 122,684.13, 184,004.85 and 39,578.13
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Solution
The fourth proportional to 122,684.13, 184,004.85 and 39,578.13 is: 59,360.31
Step by Step Solution
- Step 1: Write the proportion equation
122,684.13 : 184,004.85 = 39,578.13 : x - Step 2: Convert to fraction form
122,684.13/184,004.85 = 39,578.13/x - Step 3: Cross multiply
122,684.13x = 184,004.85 × 39,578.13 - Step 4: Simplify right side
122,684.13x = 7,282,567,873.93 - Step 5: Solve for x
x = 7,282,567,873.93/122,684.13 - Step 6: Final answer
x = 59,360.31
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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.