Finding the Fourth Proportional to 274,407.54, 378,563.79 and 193,904.07
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Solution
The fourth proportional to 274,407.54, 378,563.79 and 193,904.07 is: 267,503.80
Step by Step Solution
- Step 1: Write the proportion equation
274,407.54 : 378,563.79 = 193,904.07 : x - Step 2: Convert to fraction form
274,407.54/378,563.79 = 193,904.07/x - Step 3: Cross multiply
274,407.54x = 378,563.79 × 193,904.07 - Step 4: Simplify right side
274,407.54x = 73,405,059,635.63 - Step 5: Solve for x
x = 73,405,059,635.63/274,407.54 - Step 6: Final answer
x = 267,503.80
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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.