Finding the Fourth Proportional to 193,988.37, 267,740.79 and 121,424.94
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Solution
The fourth proportional to 193,988.37, 267,740.79 and 121,424.94 is: 167,589.48
Step by Step Solution
- Step 1: Write the proportion equation
193,988.37 : 267,740.79 = 121,424.94 : x - Step 2: Convert to fraction form
193,988.37/267,740.79 = 121,424.94/x - Step 3: Cross multiply
193,988.37x = 267,740.79 × 121,424.94 - Step 4: Simplify right side
193,988.37x = 32,510,409,361.30 - Step 5: Solve for x
x = 32,510,409,361.30/193,988.37 - Step 6: Final answer
x = 167,589.48
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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.