Finding the Fourth Proportional to 122,866.36, 184,189.84 and 47,969.08
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Solution
The fourth proportional to 122,866.36, 184,189.84 and 47,969.08 is: 71,910.79
Step by Step Solution
- Step 1: Write the proportion equation
122,866.36 : 184,189.84 = 47,969.08 : x - Step 2: Convert to fraction form
122,866.36/184,189.84 = 47,969.08/x - Step 3: Cross multiply
122,866.36x = 184,189.84 × 47,969.08 - Step 4: Simplify right side
122,866.36x = 8,835,417,170.15 - Step 5: Solve for x
x = 8,835,417,170.15/122,866.36 - Step 6: Final answer
x = 71,910.79
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1.5x scale
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.