Finding the Fourth Proportional to 194,744.63, 268,747.61 and 105,320.63
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Solution
The fourth proportional to 194,744.63, 268,747.61 and 105,320.63 is: 145,342.47
Step by Step Solution
- Step 1: Write the proportion equation
194,744.63 : 268,747.61 = 105,320.63 : x - Step 2: Convert to fraction form
194,744.63/268,747.61 = 105,320.63/x - Step 3: Cross multiply
194,744.63x = 268,747.61 × 105,320.63 - Step 4: Simplify right side
194,744.63x = 28,304,665,725.85 - Step 5: Solve for x
x = 28,304,665,725.85/194,744.63 - Step 6: Final answer
x = 145,342.47
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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.