Finding the Fourth Proportional to 80,212.23, 110,695.50 and 46,218.09
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Solution
The fourth proportional to 80,212.23, 110,695.50 and 46,218.09 is: 63,782.48
Step by Step Solution
- Step 1: Write the proportion equation
80,212.23 : 110,695.50 = 46,218.09 : x - Step 2: Convert to fraction form
80,212.23/110,695.50 = 46,218.09/x - Step 3: Cross multiply
80,212.23x = 110,695.50 × 46,218.09 - Step 4: Simplify right side
80,212.23x = 5,116,134,581.60 - Step 5: Solve for x
x = 5,116,134,581.60/80,212.23 - Step 6: Final answer
x = 63,782.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.