Finding the Fourth Proportional to 194,338.63, 268,254.42 and 113,792.05
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Solution
The fourth proportional to 194,338.63, 268,254.42 and 113,792.05 is: 157,072.32
Step by Step Solution
- Step 1: Write the proportion equation
194,338.63 : 268,254.42 = 113,792.05 : x - Step 2: Convert to fraction form
194,338.63/268,254.42 = 113,792.05/x - Step 3: Cross multiply
194,338.63x = 268,254.42 × 113,792.05 - Step 4: Simplify right side
194,338.63x = 30,525,219,032.09 - Step 5: Solve for x
x = 30,525,219,032.09/194,338.63 - Step 6: Final answer
x = 157,072.32
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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.