Finding the Fourth Proportional to 194,676.75, 268,653.92 and 105,252.75
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Solution
The fourth proportional to 194,676.75, 268,653.92 and 105,252.75 is: 145,248.80
Step by Step Solution
- Step 1: Write the proportion equation
194,676.75 : 268,653.92 = 105,252.75 : x - Step 2: Convert to fraction form
194,676.75/268,653.92 = 105,252.75/x - Step 3: Cross multiply
194,676.75x = 268,653.92 × 105,252.75 - Step 4: Simplify right side
194,676.75x = 28,276,563,352.02 - Step 5: Solve for x
x = 28,276,563,352.02/194,676.75 - Step 6: Final answer
x = 145,248.80
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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.