Finding the Fourth Proportional to 211,912.44, 292,309.44 and 125,813.01
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Solution
The fourth proportional to 211,912.44, 292,309.44 and 125,813.01 is: 173,544.93
Step by Step Solution
- Step 1: Write the proportion equation
211,912.44 : 292,309.44 = 125,813.01 : x - Step 2: Convert to fraction form
211,912.44/292,309.44 = 125,813.01/x - Step 3: Cross multiply
211,912.44x = 292,309.44 × 125,813.01 - Step 4: Simplify right side
211,912.44x = 36,776,330,497.81 - Step 5: Solve for x
x = 36,776,330,497.81/211,912.44 - Step 6: Final answer
x = 173,544.93
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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.