Finding the Fourth Proportional to 194,278.11, 268,030.10 and 117,769.31
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Solution
The fourth proportional to 194,278.11, 268,030.10 and 117,769.31 is: 162,476.97
Step by Step Solution
- Step 1: Write the proportion equation
194,278.11 : 268,030.10 = 117,769.31 : x - Step 2: Convert to fraction form
194,278.11/268,030.10 = 117,769.31/x - Step 3: Cross multiply
194,278.11x = 268,030.10 × 117,769.31 - Step 4: Simplify right side
194,278.11x = 31,565,718,007.23 - Step 5: Solve for x
x = 31,565,718,007.23/194,278.11 - Step 6: Final answer
x = 162,476.97
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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.