Finding the Fourth Proportional to 128,794.37, 177,716.97 and 73,599.53
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Solution
The fourth proportional to 128,794.37, 177,716.97 and 73,599.53 is: 101,556.34
Step by Step Solution
- Step 1: Write the proportion equation
128,794.37 : 177,716.97 = 73,599.53 : x - Step 2: Convert to fraction form
128,794.37/177,716.97 = 73,599.53/x - Step 3: Cross multiply
128,794.37x = 177,716.97 × 73,599.53 - Step 4: Simplify right side
128,794.37x = 13,079,885,465.02 - Step 5: Solve for x
x = 13,079,885,465.02/128,794.37 - Step 6: Final answer
x = 101,556.34
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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.