Finding the Fourth Proportional to 193,973.06, 267,719.58 and 121,409.62
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Solution
The fourth proportional to 193,973.06, 267,719.58 and 121,409.62 is: 167,568.28
Step by Step Solution
- Step 1: Write the proportion equation
193,973.06 : 267,719.58 = 121,409.62 : x - Step 2: Convert to fraction form
193,973.06/267,719.58 = 121,409.62/x - Step 3: Cross multiply
193,973.06x = 267,719.58 × 121,409.62 - Step 4: Simplify right side
193,973.06x = 32,503,732,474.36 - Step 5: Solve for x
x = 32,503,732,474.36/193,973.06 - Step 6: Final answer
x = 167,568.28
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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.